Finding the Fourth Proportional to 10,431.52, 14,395.52 and 5,715.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,431.52 : 14,395.52 = 5,715.83 : x
2. Step 2: Convert to fraction form
   10,431.52/14,395.52 = 5,715.83/x
3. Step 3: Cross multiply
   10,431.52x = 14,395.52 × 5,715.83
4. Step 4: Simplify right side
   10,431.52x = 82,282,395.36
5. Step 5: Solve for x
   x = 82,282,395.36/10,431.52
6. Step 6: Final answer
   x = 7,887.86