Finding the Fourth Proportional to 57,129,035.59, 78,837,822.61 and 31,023,338.23

Step by Step Solution

1. Step 1: Write the proportion equation
   57,129,035.59 : 78,837,822.61 = 31,023,338.23 : x
2. Step 2: Convert to fraction form
   57,129,035.59/78,837,822.61 = 31,023,338.23/x
3. Step 3: Cross multiply
   57,129,035.59x = 78,837,822.61 × 31,023,338.23
4. Step 4: Simplify right side
   57,129,035.59x = 2,445,812,436,146,771.50
5. Step 5: Solve for x
   x = 2,445,812,436,146,771.50/57,129,035.59
6. Step 6: Final answer
   x = 42,812,072.90