Finding the Fourth Proportional to 10,425.05, 14,386.03 and 5,708.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,425.05 : 14,386.03 = 5,708.42 : x
2. Step 2: Convert to fraction form
   10,425.05/14,386.03 = 5,708.42/x
3. Step 3: Cross multiply
   10,425.05x = 14,386.03 × 5,708.42
4. Step 4: Simplify right side
   10,425.05x = 82,121,415.17
5. Step 5: Solve for x
   x = 82,121,415.17/10,425.05
6. Step 6: Final answer
   x = 7,877.32