Finding the Fourth Proportional to 6,139.77, 8,473.02 and 3,622.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,139.77 : 8,473.02 = 3,622.49 : x
2. Step 2: Convert to fraction form
   6,139.77/8,473.02 = 3,622.49/x
3. Step 3: Cross multiply
   6,139.77x = 8,473.02 × 3,622.49
4. Step 4: Simplify right side
   6,139.77x = 30,693,437.82
5. Step 5: Solve for x
   x = 30,693,437.82/6,139.77
6. Step 6: Final answer
   x = 4,999.12