Finding the Fourth Proportional to 56,598.52, 78,107.46 and 31,105.61

Step by Step Solution

1. Step 1: Write the proportion equation
   56,598.52 : 78,107.46 = 31,105.61 : x
2. Step 2: Convert to fraction form
   56,598.52/78,107.46 = 31,105.61/x
3. Step 3: Cross multiply
   56,598.52x = 78,107.46 × 31,105.61
4. Step 4: Simplify right side
   56,598.52x = 2,429,580,267.47
5. Step 5: Solve for x
   x = 2,429,580,267.47/56,598.52
6. Step 6: Final answer
   x = 42,926.57