Finding the Fourth Proportional to 73,290,327.12, 101,179,915.56 and 56,508,411.60

Step by Step Solution

1. Step 1: Write the proportion equation
   73,290,327.12 : 101,179,915.56 = 56,508,411.60 : x
2. Step 2: Convert to fraction form
   73,290,327.12/101,179,915.56 = 56,508,411.60/x
3. Step 3: Cross multiply
   73,290,327.12x = 101,179,915.56 × 56,508,411.60
4. Step 4: Simplify right side
   73,290,327.12x = 5,717,516,314,117,725
5. Step 5: Solve for x
   x = 5,717,516,314,117,725/73,290,327.12
6. Step 6: Final answer
   x = 78,011,881.50