Finding the Fourth Proportional to 9,062.64, 13,592.34 and 3,139.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,062.64 : 13,592.34 = 3,139.56 : x
2. Step 2: Convert to fraction form
   9,062.64/13,592.34 = 3,139.56/x
3. Step 3: Cross multiply
   9,062.64x = 13,592.34 × 3,139.56
4. Step 4: Simplify right side
   9,062.64x = 42,673,966.97
5. Step 5: Solve for x
   x = 42,673,966.97/9,062.64
6. Step 6: Final answer
   x = 4,708.78