Finding the Fourth Proportional to 31,426.52, 43,369.34 and 17,279.35

Step by Step Solution

1. Step 1: Write the proportion equation
   31,426.52 : 43,369.34 = 17,279.35 : x
2. Step 2: Convert to fraction form
   31,426.52/43,369.34 = 17,279.35/x
3. Step 3: Cross multiply
   31,426.52x = 43,369.34 × 17,279.35
4. Step 4: Simplify right side
   31,426.52x = 749,393,810.31
5. Step 5: Solve for x
   x = 749,393,810.31/31,426.52
6. Step 6: Final answer
   x = 23,845.91