Finding the Fourth Proportional to 6,260.00, 9,389.18 and 3,139.47

Step by Step Solution

1. Step 1: Write the proportion equation
   6,260.00 : 9,389.18 = 3,139.47 : x
2. Step 2: Convert to fraction form
   6,260.00/9,389.18 = 3,139.47/x
3. Step 3: Cross multiply
   6,260.00x = 9,389.18 × 3,139.47
4. Step 4: Simplify right side
   6,260.00x = 29,477,056.78
5. Step 5: Solve for x
   x = 29,477,056.78/6,260.00
6. Step 6: Final answer
   x = 4,708.80