Finding the Fourth Proportional to 12,472.52, 17,215.38 and 7,754.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,472.52 : 17,215.38 = 7,754.12 : x
2. Step 2: Convert to fraction form
   12,472.52/17,215.38 = 7,754.12/x
3. Step 3: Cross multiply
   12,472.52x = 17,215.38 × 7,754.12
4. Step 4: Simplify right side
   12,472.52x = 133,490,122.37
5. Step 5: Solve for x
   x = 133,490,122.37/12,472.52
6. Step 6: Final answer
   x = 10,702.74