Finding the Fourth Proportional to 72,045.57, 108,073.82 and 19,454.29

Step by Step Solution

1. Step 1: Write the proportion equation
   72,045.57 : 108,073.82 = 19,454.29 : x
2. Step 2: Convert to fraction form
   72,045.57/108,073.82 = 19,454.29/x
3. Step 3: Cross multiply
   72,045.57x = 108,073.82 × 19,454.29
4. Step 4: Simplify right side
   72,045.57x = 2,102,499,435.69
5. Step 5: Solve for x
   x = 2,102,499,435.69/72,045.57
6. Step 6: Final answer
   x = 29,182.91