Finding the Fourth Proportional to 10,057.65, 15,061.86 and 7,088.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,057.65 : 15,061.86 = 7,088.80 : x
2. Step 2: Convert to fraction form
   10,057.65/15,061.86 = 7,088.80/x
3. Step 3: Cross multiply
   10,057.65x = 15,061.86 × 7,088.80
4. Step 4: Simplify right side
   10,057.65x = 106,770,513.17
5. Step 5: Solve for x
   x = 106,770,513.17/10,057.65
6. Step 6: Final answer
   x = 10,615.85