Finding the Fourth Proportional to 31,144.01, 42,979.74 and 17,714.92

Step by Step Solution

1. Step 1: Write the proportion equation
   31,144.01 : 42,979.74 = 17,714.92 : x
2. Step 2: Convert to fraction form
   31,144.01/42,979.74 = 17,714.92/x
3. Step 3: Cross multiply
   31,144.01x = 42,979.74 × 17,714.92
4. Step 4: Simplify right side
   31,144.01x = 761,382,655.72
5. Step 5: Solve for x
   x = 761,382,655.72/31,144.01
6. Step 6: Final answer
   x = 24,447.16