Finding the Fourth Proportional to 10,401.71, 14,354.28 and 5,686.00

Step by Step Solution

1. Step 1: Write the proportion equation
   10,401.71 : 14,354.28 = 5,686.00 : x
2. Step 2: Convert to fraction form
   10,401.71/14,354.28 = 5,686.00/x
3. Step 3: Cross multiply
   10,401.71x = 14,354.28 × 5,686.00
4. Step 4: Simplify right side
   10,401.71x = 81,618,400.19
5. Step 5: Solve for x
   x = 81,618,400.19/10,401.71
6. Step 6: Final answer
   x = 7,846.64