Finding the Fourth Proportional to 72,539.73, 108,810.18 and 19,952.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,539.73 : 108,810.18 = 19,952.10 : x
2. Step 2: Convert to fraction form
   72,539.73/108,810.18 = 19,952.10/x
3. Step 3: Cross multiply
   72,539.73x = 108,810.18 × 19,952.10
4. Step 4: Simplify right side
   72,539.73x = 2,170,991,592.38
5. Step 5: Solve for x
   x = 2,170,991,592.38/72,539.73
6. Step 6: Final answer
   x = 29,928.31