Finding the Fourth Proportional to 56,599.52, 78,108.84 and 31,106.61

Step by Step Solution

1. Step 1: Write the proportion equation
   56,599.52 : 78,108.84 = 31,106.61 : x
2. Step 2: Convert to fraction form
   56,599.52/78,108.84 = 31,106.61/x
3. Step 3: Cross multiply
   56,599.52x = 78,108.84 × 31,106.61
4. Step 4: Simplify right side
   56,599.52x = 2,429,701,223.43
5. Step 5: Solve for x
   x = 2,429,701,223.43/56,599.52
6. Step 6: Final answer
   x = 42,927.95