Finding the Fourth Proportional to 12,354.71, 17,048.22 and 7,048.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,354.71 : 17,048.22 = 7,048.50 : x
2. Step 2: Convert to fraction form
   12,354.71/17,048.22 = 7,048.50/x
3. Step 3: Cross multiply
   12,354.71x = 17,048.22 × 7,048.50
4. Step 4: Simplify right side
   12,354.71x = 120,164,378.67
5. Step 5: Solve for x
   x = 120,164,378.67/12,354.71
6. Step 6: Final answer
   x = 9,726.20