Finding the Fourth Proportional to 31,834.93, 43,931.42 and 17,687.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,834.93 : 43,931.42 = 17,687.81 : x
2. Step 2: Convert to fraction form
   31,834.93/43,931.42 = 17,687.81/x
3. Step 3: Cross multiply
   31,834.93x = 43,931.42 × 17,687.81
4. Step 4: Simplify right side
   31,834.93x = 777,050,411.72
5. Step 5: Solve for x
   x = 777,050,411.72/31,834.93
6. Step 6: Final answer
   x = 24,408.74