Finding the Fourth Proportional to 21,498.82, 32,215.35 and 9,012.04

Step by Step Solution

1. Step 1: Write the proportion equation
   21,498.82 : 32,215.35 = 9,012.04 : x
2. Step 2: Convert to fraction form
   21,498.82/32,215.35 = 9,012.04/x
3. Step 3: Cross multiply
   21,498.82x = 32,215.35 × 9,012.04
4. Step 4: Simplify right side
   21,498.82x = 290,325,861.74
5. Step 5: Solve for x
   x = 290,325,861.74/21,498.82
6. Step 6: Final answer
   x = 13,504.27