Finding the Fourth Proportional to 6,237.51, 8,616.17 and 4,987.37

Step by Step Solution

1. Step 1: Write the proportion equation
   6,237.51 : 8,616.17 = 4,987.37 : x
2. Step 2: Convert to fraction form
   6,237.51/8,616.17 = 4,987.37/x
3. Step 3: Cross multiply
   6,237.51x = 8,616.17 × 4,987.37
4. Step 4: Simplify right side
   6,237.51x = 42,972,061.78
5. Step 5: Solve for x
   x = 42,972,061.78/6,237.51
6. Step 6: Final answer
   x = 6,889.30