Finding the Fourth Proportional to 31,426.99, 43,369.83 and 17,279.73

Step by Step Solution

1. Step 1: Write the proportion equation
   31,426.99 : 43,369.83 = 17,279.73 : x
2. Step 2: Convert to fraction form
   31,426.99/43,369.83 = 17,279.73/x
3. Step 3: Cross multiply
   31,426.99x = 43,369.83 × 17,279.73
4. Step 4: Simplify right side
   31,426.99x = 749,418,952.55
5. Step 5: Solve for x
   x = 749,418,952.55/31,426.99
6. Step 6: Final answer
   x = 23,846.35