Finding the Fourth Proportional to 31,326.72, 43,221.27 and 17,897.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,326.72 : 43,221.27 = 17,897.18 : x
2. Step 2: Convert to fraction form
   31,326.72/43,221.27 = 17,897.18/x
3. Step 3: Cross multiply
   31,326.72x = 43,221.27 × 17,897.18
4. Step 4: Simplify right side
   31,326.72x = 773,538,771.25
5. Step 5: Solve for x
   x = 773,538,771.25/31,326.72
6. Step 6: Final answer
   x = 24,692.62