Finding the Fourth Proportional to 9,081.28, 12,532.61 and 5,103.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,081.28 : 12,532.61 = 5,103.64 : x
2. Step 2: Convert to fraction form
   9,081.28/12,532.61 = 5,103.64/x
3. Step 3: Cross multiply
   9,081.28x = 12,532.61 × 5,103.64
4. Step 4: Simplify right side
   9,081.28x = 63,961,841.52
5. Step 5: Solve for x
   x = 63,961,841.52/9,081.28
6. Step 6: Final answer
   x = 7,043.27