Finding the Fourth Proportional to 6,139.24, 8,477.14 and 5,005.08

Step by Step Solution

1. Step 1: Write the proportion equation
   6,139.24 : 8,477.14 = 5,005.08 : x
2. Step 2: Convert to fraction form
   6,139.24/8,477.14 = 5,005.08/x
3. Step 3: Cross multiply
   6,139.24x = 8,477.14 × 5,005.08
4. Step 4: Simplify right side
   6,139.24x = 42,428,763.87
5. Step 5: Solve for x
   x = 42,428,763.87/6,139.24
6. Step 6: Final answer
   x = 6,911.08