Finding the Fourth Proportional to 21,561.09, 32,354.16 and 9,080.34

Step by Step Solution

1. Step 1: Write the proportion equation
   21,561.09 : 32,354.16 = 9,080.34 : x
2. Step 2: Convert to fraction form
   21,561.09/32,354.16 = 9,080.34/x
3. Step 3: Cross multiply
   21,561.09x = 32,354.16 × 9,080.34
4. Step 4: Simplify right side
   21,561.09x = 293,786,773.21
5. Step 5: Solve for x
   x = 293,786,773.21/21,561.09
6. Step 6: Final answer
   x = 13,625.78