Finding the Fourth Proportional to 102,809,279,123.74, 154,132,813,407.86 and 64,956,067,991.74

Step by Step Solution

1. Step 1: Write the proportion equation
   102,809,279,123.74 : 154,132,813,407.86 = 64,956,067,991.74 : x
2. Step 2: Convert to fraction form
   102,809,279,123.74/154,132,813,407.86 = 64,956,067,991.74/x
3. Step 3: Cross multiply
   102,809,279,123.74x = 154,132,813,407.86 × 64,956,067,991.74
4. Step 4: Simplify right side
   102,809,279,123.74x = 10,011,861,507,479,126,933,504
5. Step 5: Solve for x
   x = 10,011,861,507,479,126,933,504/102,809,279,123.74
6. Step 6: Final answer
   x = 97,382,858,753.72