Finding the Fourth Proportional to 31,404.78, 43,337.84 and 17,975.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,404.78 : 43,337.84 = 17,975.18 : x
2. Step 2: Convert to fraction form
   31,404.78/43,337.84 = 17,975.18/x
3. Step 3: Cross multiply
   31,404.78x = 43,337.84 × 17,975.18
4. Step 4: Simplify right side
   31,404.78x = 779,005,493.28
5. Step 5: Solve for x
   x = 779,005,493.28/31,404.78
6. Step 6: Final answer
   x = 24,805.32