Finding the Fourth Proportional to 117,499,053.96, 162,141,586.34 and 65,286,304.31

Step by Step Solution

1. Step 1: Write the proportion equation
   117,499,053.96 : 162,141,586.34 = 65,286,304.31 : x
2. Step 2: Convert to fraction form
   117,499,053.96/162,141,586.34 = 65,286,304.31/x
3. Step 3: Cross multiply
   117,499,053.96x = 162,141,586.34 × 65,286,304.31
4. Step 4: Simplify right side
   117,499,053.96x = 10,585,624,947,178,302
5. Step 5: Solve for x
   x = 10,585,624,947,178,302/117,499,053.96
6. Step 6: Final answer
   x = 90,091,150.44