Finding the Fourth Proportional to 10,401.55, 14,354.07 and 5,685.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,401.55 : 14,354.07 = 5,685.86 : x
2. Step 2: Convert to fraction form
   10,401.55/14,354.07 = 5,685.86/x
3. Step 3: Cross multiply
   10,401.55x = 14,354.07 × 5,685.86
4. Step 4: Simplify right side
   10,401.55x = 81,615,232.45
5. Step 5: Solve for x
   x = 81,615,232.45/10,401.55
6. Step 6: Final answer
   x = 7,846.45