Finding the Fourth Proportional to 9,018.50, 12,446.61 and 5,292.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.50 : 12,446.61 = 5,292.50 : x
2. Step 2: Convert to fraction form
   9,018.50/12,446.61 = 5,292.50/x
3. Step 3: Cross multiply
   9,018.50x = 12,446.61 × 5,292.50
4. Step 4: Simplify right side
   9,018.50x = 65,873,683.43
5. Step 5: Solve for x
   x = 65,873,683.43/9,018.50
6. Step 6: Final answer
   x = 7,304.28