Finding the Fourth Proportional to 6,140.02, 8,458.23 and 4,456.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,140.02 : 8,458.23 = 4,456.48 : x
2. Step 2: Convert to fraction form
   6,140.02/8,458.23 = 4,456.48/x
3. Step 3: Cross multiply
   6,140.02x = 8,458.23 × 4,456.48
4. Step 4: Simplify right side
   6,140.02x = 37,693,932.83
5. Step 5: Solve for x
   x = 37,693,932.83/6,140.02
6. Step 6: Final answer
   x = 6,139.06