Finding the Fourth Proportional to 10,423.32, 14,385.42 and 6,231.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,423.32 : 14,385.42 = 6,231.48 : x
2. Step 2: Convert to fraction form
   10,423.32/14,385.42 = 6,231.48/x
3. Step 3: Cross multiply
   10,423.32x = 14,385.42 × 6,231.48
4. Step 4: Simplify right side
   10,423.32x = 89,642,457.02
5. Step 5: Solve for x
   x = 89,642,457.02/10,423.32
6. Step 6: Final answer
   x = 8,600.18