Finding the Fourth Proportional to 10,342.72, 15,514.86 and 7,088.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,342.72 : 15,514.86 = 7,088.08 : x
2. Step 2: Convert to fraction form
   10,342.72/15,514.86 = 7,088.08/x
3. Step 3: Cross multiply
   10,342.72x = 15,514.86 × 7,088.08
4. Step 4: Simplify right side
   10,342.72x = 109,970,568.87
5. Step 5: Solve for x
   x = 109,970,568.87/10,342.72
6. Step 6: Final answer
   x = 10,632.65