Finding the Fourth Proportional to 72,468.35, 108,651.59 and 31,922.62

Step by Step Solution

1. Step 1: Write the proportion equation
   72,468.35 : 108,651.59 = 31,922.62 : x
2. Step 2: Convert to fraction form
   72,468.35/108,651.59 = 31,922.62/x
3. Step 3: Cross multiply
   72,468.35x = 108,651.59 × 31,922.62
4. Step 4: Simplify right side
   72,468.35x = 3,468,442,876.71
5. Step 5: Solve for x
   x = 3,468,442,876.71/72,468.35
6. Step 6: Final answer
   x = 47,861.49