Finding the Fourth Proportional to 21,392.50, 32,101.71 and 9,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,392.50 : 32,101.71 = 9,080.50 : x
2. Step 2: Convert to fraction form
   21,392.50/32,101.71 = 9,080.50/x
3. Step 3: Cross multiply
   21,392.50x = 32,101.71 × 9,080.50
4. Step 4: Simplify right side
   21,392.50x = 291,499,577.66
5. Step 5: Solve for x
   x = 291,499,577.66/21,392.50
6. Step 6: Final answer
   x = 13,626.25