Finding the Fourth Proportional to 31,290.86, 43,174.91 and 17,866.48

Step by Step Solution

1. Step 1: Write the proportion equation
   31,290.86 : 43,174.91 = 17,866.48 : x
2. Step 2: Convert to fraction form
   31,290.86/43,174.91 = 17,866.48/x
3. Step 3: Cross multiply
   31,290.86x = 43,174.91 × 17,866.48
4. Step 4: Simplify right side
   31,290.86x = 771,383,360.81
5. Step 5: Solve for x
   x = 771,383,360.81/31,290.86
6. Step 6: Final answer
   x = 24,652.04