Finding the Fourth Proportional to 72,469.17, 108,698.90 and 19,874.25

Step by Step Solution

1. Step 1: Write the proportion equation
   72,469.17 : 108,698.90 = 19,874.25 : x
2. Step 2: Convert to fraction form
   72,469.17/108,698.90 = 19,874.25/x
3. Step 3: Cross multiply
   72,469.17x = 108,698.90 × 19,874.25
4. Step 4: Simplify right side
   72,469.17x = 2,160,309,013.95
5. Step 5: Solve for x
   x = 2,160,309,013.95/72,469.17
6. Step 6: Final answer
   x = 29,810.04