Finding the Fourth Proportional to 7,863.46, 10,840.17 and 5,498.26

Step by Step Solution

1. Step 1: Write the proportion equation
   7,863.46 : 10,840.17 = 5,498.26 : x
2. Step 2: Convert to fraction form
   7,863.46/10,840.17 = 5,498.26/x
3. Step 3: Cross multiply
   7,863.46x = 10,840.17 × 5,498.26
4. Step 4: Simplify right side
   7,863.46x = 59,602,073.10
5. Step 5: Solve for x
   x = 59,602,073.10/7,863.46
6. Step 6: Final answer
   x = 7,579.62