Finding the Fourth Proportional to 31,111.07, 42,935.34 and 17,682.35

Step by Step Solution

1. Step 1: Write the proportion equation
   31,111.07 : 42,935.34 = 17,682.35 : x
2. Step 2: Convert to fraction form
   31,111.07/42,935.34 = 17,682.35/x
3. Step 3: Cross multiply
   31,111.07x = 42,935.34 × 17,682.35
4. Step 4: Simplify right side
   31,111.07x = 759,197,494.57
5. Step 5: Solve for x
   x = 759,197,494.57/31,111.07
6. Step 6: Final answer
   x = 24,402.81