Finding the Fourth Proportional to 10,439.52, 14,404.72 and 6,900.88

Step by Step Solution

1. Step 1: Write the proportion equation
   10,439.52 : 14,404.72 = 6,900.88 : x
2. Step 2: Convert to fraction form
   10,439.52/14,404.72 = 6,900.88/x
3. Step 3: Cross multiply
   10,439.52x = 14,404.72 × 6,900.88
4. Step 4: Simplify right side
   10,439.52x = 99,405,244.15
5. Step 5: Solve for x
   x = 99,405,244.15/10,439.52
6. Step 6: Final answer
   x = 9,522.01