Finding the Fourth Proportional to 10,666.30, 14,720.32 and 5,887.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,666.30 : 14,720.32 = 5,887.18 : x
2. Step 2: Convert to fraction form
   10,666.30/14,720.32 = 5,887.18/x
3. Step 3: Cross multiply
   10,666.30x = 14,720.32 × 5,887.18
4. Step 4: Simplify right side
   10,666.30x = 86,661,173.50
5. Step 5: Solve for x
   x = 86,661,173.50/10,666.30
6. Step 6: Final answer
   x = 8,124.76