Finding the Fourth Proportional to 31,409.91, 43,348.72 and 17,983.08

Step by Step Solution

1. Step 1: Write the proportion equation
   31,409.91 : 43,348.72 = 17,983.08 : x
2. Step 2: Convert to fraction form
   31,409.91/43,348.72 = 17,983.08/x
3. Step 3: Cross multiply
   31,409.91x = 43,348.72 × 17,983.08
4. Step 4: Simplify right side
   31,409.91x = 779,543,499.66
5. Step 5: Solve for x
   x = 779,543,499.66/31,409.91
6. Step 6: Final answer
   x = 24,818.39