Finding the Fourth Proportional to 31,050.74, 42,853.86 and 17,626.21

Step by Step Solution

1. Step 1: Write the proportion equation
   31,050.74 : 42,853.86 = 17,626.21 : x
2. Step 2: Convert to fraction form
   31,050.74/42,853.86 = 17,626.21/x
3. Step 3: Cross multiply
   31,050.74x = 42,853.86 × 17,626.21
4. Step 4: Simplify right side
   31,050.74x = 755,351,028.54
5. Step 5: Solve for x
   x = 755,351,028.54/31,050.74
6. Step 6: Final answer
   x = 24,326.34