Finding the Fourth Proportional to 30,799.52, 42,507.36 and 17,375

Step by Step Solution

1. Step 1: Write the proportion equation
   30,799.52 : 42,507.36 = 17,375 : x
2. Step 2: Convert to fraction form
   30,799.52/42,507.36 = 17,375/x
3. Step 3: Cross multiply
   30,799.52x = 42,507.36 × 17,375
4. Step 4: Simplify right side
   30,799.52x = 738,565,380
5. Step 5: Solve for x
   x = 738,565,380/30,799.52
6. Step 6: Final answer
   x = 23,979.77