Finding the Fourth Proportional to 31,052.61, 42,853.65 and 17,443.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,052.61 : 42,853.65 = 17,443.06 : x
2. Step 2: Convert to fraction form
   31,052.61/42,853.65 = 17,443.06/x
3. Step 3: Cross multiply
   31,052.61x = 42,853.65 × 17,443.06
4. Step 4: Simplify right side
   31,052.61x = 747,498,788.17
5. Step 5: Solve for x
   x = 747,498,788.17/31,052.61
6. Step 6: Final answer
   x = 24,072.01