Finding the Fourth Proportional to 31,003.38, 42,783.75 and 17,575.86

Step by Step Solution

1. Step 1: Write the proportion equation
   31,003.38 : 42,783.75 = 17,575.86 : x
2. Step 2: Convert to fraction form
   31,003.38/42,783.75 = 17,575.86/x
3. Step 3: Cross multiply
   31,003.38x = 42,783.75 × 17,575.86
4. Step 4: Simplify right side
   31,003.38x = 751,961,200.28
5. Step 5: Solve for x
   x = 751,961,200.28/31,003.38
6. Step 6: Final answer
   x = 24,254.17