Finding the Fourth Proportional to 10,702.42, 16,029.15 and 9,006.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,702.42 : 16,029.15 = 9,006.10 : x
2. Step 2: Convert to fraction form
   10,702.42/16,029.15 = 9,006.10/x
3. Step 3: Cross multiply
   10,702.42x = 16,029.15 × 9,006.10
4. Step 4: Simplify right side
   10,702.42x = 144,360,127.82
5. Step 5: Solve for x
   x = 144,360,127.82/10,702.42
6. Step 6: Final answer
   x = 13,488.55