Finding the Fourth Proportional to 57,147,598.56, 78,863,625.96 and 31,042,137.12

Step by Step Solution

1. Step 1: Write the proportion equation
   57,147,598.56 : 78,863,625.96 = 31,042,137.12 : x
2. Step 2: Convert to fraction form
   57,147,598.56/78,863,625.96 = 31,042,137.12/x
3. Step 3: Cross multiply
   57,147,598.56x = 78,863,625.96 × 31,042,137.12
4. Step 4: Simplify right side
   57,147,598.56x = 2,448,095,490,830,711.50
5. Step 5: Solve for x
   x = 2,448,095,490,830,711.50/57,147,598.56
6. Step 6: Final answer
   x = 42,838,116.61