Finding the Fourth Proportional to 8,998.25, 12,417.59 and 5,272.25

Step by Step Solution

1. Step 1: Write the proportion equation
   8,998.25 : 12,417.59 = 5,272.25 : x
2. Step 2: Convert to fraction form
   8,998.25/12,417.59 = 5,272.25/x
3. Step 3: Cross multiply
   8,998.25x = 12,417.59 × 5,272.25
4. Step 4: Simplify right side
   8,998.25x = 65,468,612.52
5. Step 5: Solve for x
   x = 65,468,612.52/8,998.25
6. Step 6: Final answer
   x = 7,275.71