Finding the Fourth Proportional to 6,242.47, 8,616.04 and 4,118.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,242.47 : 8,616.04 = 4,118.38 : x
2. Step 2: Convert to fraction form
   6,242.47/8,616.04 = 4,118.38/x
3. Step 3: Cross multiply
   6,242.47x = 8,616.04 × 4,118.38
4. Step 4: Simplify right side
   6,242.47x = 35,484,094.98
5. Step 5: Solve for x
   x = 35,484,094.98/6,242.47
6. Step 6: Final answer
   x = 5,684.31