Finding the Fourth Proportional to 156,258,502.83, 234,364,938.63 and 45,564,427.31

Step by Step Solution

1. Step 1: Write the proportion equation
   156,258,502.83 : 234,364,938.63 = 45,564,427.31 : x
2. Step 2: Convert to fraction form
   156,258,502.83/234,364,938.63 = 45,564,427.31/x
3. Step 3: Cross multiply
   156,258,502.83x = 234,364,938.63 × 45,564,427.31
4. Step 4: Simplify right side
   156,258,502.83x = 10,678,704,209,047,422
5. Step 5: Solve for x
   x = 10,678,704,209,047,422/156,258,502.83
6. Step 6: Final answer
   x = 68,339,988.00