Finding the Fourth Proportional to 10,432.02, 14,395.86 and 5,716.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,432.02 : 14,395.86 = 5,716.20 : x
2. Step 2: Convert to fraction form
   10,432.02/14,395.86 = 5,716.20/x
3. Step 3: Cross multiply
   10,432.02x = 14,395.86 × 5,716.20
4. Step 4: Simplify right side
   10,432.02x = 82,289,614.93
5. Step 5: Solve for x
   x = 82,289,614.93/10,432.02
6. Step 6: Final answer
   x = 7,888.18