Finding the Fourth Proportional to 31,781.76, 43,856.88 and 17,633.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,781.76 : 43,856.88 = 17,633.76 : x
2. Step 2: Convert to fraction form
   31,781.76/43,856.88 = 17,633.76/x
3. Step 3: Cross multiply
   31,781.76x = 43,856.88 × 17,633.76
4. Step 4: Simplify right side
   31,781.76x = 773,361,696.27
5. Step 5: Solve for x
   x = 773,361,696.27/31,781.76
6. Step 6: Final answer
   x = 24,333.51