Finding the Fourth Proportional to 10,425.30, 14,386.37 and 5,708.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,425.30 : 14,386.37 = 5,708.67 : x
2. Step 2: Convert to fraction form
   10,425.30/14,386.37 = 5,708.67/x
3. Step 3: Cross multiply
   10,425.30x = 14,386.37 × 5,708.67
4. Step 4: Simplify right side
   10,425.30x = 82,127,038.83
5. Step 5: Solve for x
   x = 82,127,038.83/10,425.30
6. Step 6: Final answer
   x = 7,877.67