Finding the Fourth Proportional to 72,350.02, 108,532.55 and 19,759.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,350.02 : 108,532.55 = 19,759.50 : x
2. Step 2: Convert to fraction form
   72,350.02/108,532.55 = 19,759.50/x
3. Step 3: Cross multiply
   72,350.02x = 108,532.55 × 19,759.50
4. Step 4: Simplify right side
   72,350.02x = 2,144,548,897.03
5. Step 5: Solve for x
   x = 2,144,548,897.03/72,350.02
6. Step 6: Final answer
   x = 29,641.30