Finding the Fourth Proportional to 10,687.76, 14,754.29 and 7,507.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,687.76 : 14,754.29 = 7,507.81 : x
2. Step 2: Convert to fraction form
   10,687.76/14,754.29 = 7,507.81/x
3. Step 3: Cross multiply
   10,687.76x = 14,754.29 × 7,507.81
4. Step 4: Simplify right side
   10,687.76x = 110,772,406.00
5. Step 5: Solve for x
   x = 110,772,406.00/10,687.76
6. Step 6: Final answer
   x = 10,364.42