Finding the Fourth Proportional to 123,288,976.74, 170,074,282.50 and 76,231,007.22

Step by Step Solution

1. Step 1: Write the proportion equation
   123,288,976.74 : 170,074,282.50 = 76,231,007.22 : x
2. Step 2: Convert to fraction form
   123,288,976.74/170,074,282.50 = 76,231,007.22/x
3. Step 3: Cross multiply
   123,288,976.74x = 170,074,282.50 × 76,231,007.22
4. Step 4: Simplify right side
   123,288,976.74x = 12,964,933,857,193,820
5. Step 5: Solve for x
   x = 12,964,933,857,193,820/123,288,976.74
6. Step 6: Final answer
   x = 105,158,905.52