Finding the Fourth Proportional to 56,894,123.02, 78,513,887.10 and 30,788,637.88

Step by Step Solution

1. Step 1: Write the proportion equation
   56,894,123.02 : 78,513,887.10 = 30,788,637.88 : x
2. Step 2: Convert to fraction form
   56,894,123.02/78,513,887.10 = 30,788,637.88/x
3. Step 3: Cross multiply
   56,894,123.02x = 78,513,887.10 × 30,788,637.88
4. Step 4: Simplify right side
   56,894,123.02x = 2,417,335,638,473,103
5. Step 5: Solve for x
   x = 2,417,335,638,473,103/56,894,123.02
6. Step 6: Final answer
   x = 42,488,318.83