Finding the Fourth Proportional to 21,401.56, 32,248.51 and 17,591.32

Step by Step Solution

1. Step 1: Write the proportion equation
   21,401.56 : 32,248.51 = 17,591.32 : x
2. Step 2: Convert to fraction form
   21,401.56/32,248.51 = 17,591.32/x
3. Step 3: Cross multiply
   21,401.56x = 32,248.51 × 17,591.32
4. Step 4: Simplify right side
   21,401.56x = 567,293,858.93
5. Step 5: Solve for x
   x = 567,293,858.93/21,401.56
6. Step 6: Final answer
   x = 26,507.13