Finding the Fourth Proportional to 10,402.99, 14,356.18 and 5,687.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,402.99 : 14,356.18 = 5,687.27 : x
2. Step 2: Convert to fraction form
   10,402.99/14,356.18 = 5,687.27/x
3. Step 3: Cross multiply
   10,402.99x = 14,356.18 × 5,687.27
4. Step 4: Simplify right side
   10,402.99x = 81,647,471.83
5. Step 5: Solve for x
   x = 81,647,471.83/10,402.99
6. Step 6: Final answer
   x = 7,848.46