Finding the Fourth Proportional to 9,492.18, 13,098.98 and 5,185.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,492.18 : 13,098.98 = 5,185.10 : x
2. Step 2: Convert to fraction form
   9,492.18/13,098.98 = 5,185.10/x
3. Step 3: Cross multiply
   9,492.18x = 13,098.98 × 5,185.10
4. Step 4: Simplify right side
   9,492.18x = 67,919,521.20
5. Step 5: Solve for x
   x = 67,919,521.20/9,492.18
6. Step 6: Final answer
   x = 7,155.31