Finding the Fourth Proportional to 12,417.47, 17,137.67 and 7,702.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,417.47 : 17,137.67 = 7,702.46 : x
2. Step 2: Convert to fraction form
   12,417.47/17,137.67 = 7,702.46/x
3. Step 3: Cross multiply
   12,417.47x = 17,137.67 × 7,702.46
4. Step 4: Simplify right side
   12,417.47x = 132,002,093.47
5. Step 5: Solve for x
   x = 132,002,093.47/12,417.47
6. Step 6: Final answer
   x = 10,630.36