Finding the Fourth Proportional to 31,406.26, 43,337.00 and 17,976.71

Step by Step Solution

1. Step 1: Write the proportion equation
   31,406.26 : 43,337.00 = 17,976.71 : x
2. Step 2: Convert to fraction form
   31,406.26/43,337.00 = 17,976.71/x
3. Step 3: Cross multiply
   31,406.26x = 43,337.00 × 17,976.71
4. Step 4: Simplify right side
   31,406.26x = 779,056,699.73
5. Step 5: Solve for x
   x = 779,056,699.73/31,406.26
6. Step 6: Final answer
   x = 24,805.78