Finding the Fourth Proportional to 9,498.78, 14,243.70 and 5,551.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,498.78 : 14,243.70 = 5,551.18 : x
2. Step 2: Convert to fraction form
   9,498.78/14,243.70 = 5,551.18/x
3. Step 3: Cross multiply
   9,498.78x = 14,243.70 × 5,551.18
4. Step 4: Simplify right side
   9,498.78x = 79,069,342.57
5. Step 5: Solve for x
   x = 79,069,342.57/9,498.78
6. Step 6: Final answer
   x = 8,324.16