Finding the Fourth Proportional to 10,687.94, 14,753.47 and 9,566.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,687.94 : 14,753.47 = 9,566.90 : x
2. Step 2: Convert to fraction form
   10,687.94/14,753.47 = 9,566.90/x
3. Step 3: Cross multiply
   10,687.94x = 14,753.47 × 9,566.90
4. Step 4: Simplify right side
   10,687.94x = 141,144,972.14
5. Step 5: Solve for x
   x = 141,144,972.14/10,687.94
6. Step 6: Final answer
   x = 13,206.00