Finding the Fourth Proportional to 19,517.31, 29,281.25 and 7,038.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,517.31 : 29,281.25 = 7,038.72 : x
2. Step 2: Convert to fraction form
   19,517.31/29,281.25 = 7,038.72/x
3. Step 3: Cross multiply
   19,517.31x = 29,281.25 × 7,038.72
4. Step 4: Simplify right side
   19,517.31x = 206,102,520
5. Step 5: Solve for x
   x = 206,102,520/19,517.31
6. Step 6: Final answer
   x = 10,559.99