Finding the Fourth Proportional to 31,426.61, 43,366.91 and 17,279.46

Step by Step Solution

1. Step 1: Write the proportion equation
   31,426.61 : 43,366.91 = 17,279.46 : x
2. Step 2: Convert to fraction form
   31,426.61/43,366.91 = 17,279.46/x
3. Step 3: Cross multiply
   31,426.61x = 43,366.91 × 17,279.46
4. Step 4: Simplify right side
   31,426.61x = 749,356,700.27
5. Step 5: Solve for x
   x = 749,356,700.27/31,426.61
6. Step 6: Final answer
   x = 23,844.66