Finding the Fourth Proportional to 31,870.14, 43,978.98 and 17,722.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,870.14 : 43,978.98 = 17,722.68 : x
2. Step 2: Convert to fraction form
   31,870.14/43,978.98 = 17,722.68/x
3. Step 3: Cross multiply
   31,870.14x = 43,978.98 × 17,722.68
4. Step 4: Simplify right side
   31,870.14x = 779,425,389.27
5. Step 5: Solve for x
   x = 779,425,389.27/31,870.14
6. Step 6: Final answer
   x = 24,456.29