Finding the Fourth Proportional to 21,498.77, 32,260.61 and 9,017.68

Step by Step Solution

1. Step 1: Write the proportion equation
   21,498.77 : 32,260.61 = 9,017.68 : x
2. Step 2: Convert to fraction form
   21,498.77/32,260.61 = 9,017.68/x
3. Step 3: Cross multiply
   21,498.77x = 32,260.61 × 9,017.68
4. Step 4: Simplify right side
   21,498.77x = 290,915,857.58
5. Step 5: Solve for x
   x = 290,915,857.58/21,498.77
6. Step 6: Final answer
   x = 13,531.74