Finding the Fourth Proportional to 72,562.50, 108,838.89 and 19,972.44

Step by Step Solution

1. Step 1: Write the proportion equation
   72,562.50 : 108,838.89 = 19,972.44 : x
2. Step 2: Convert to fraction form
   72,562.50/108,838.89 = 19,972.44/x
3. Step 3: Cross multiply
   72,562.50x = 108,838.89 × 19,972.44
4. Step 4: Simplify right side
   72,562.50x = 2,173,778,200.19
5. Step 5: Solve for x
   x = 2,173,778,200.19/72,562.50
6. Step 6: Final answer
   x = 29,957.32