Finding the Fourth Proportional to 31,781.51, 43,858.71 and 17,634.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,781.51 : 43,858.71 = 17,634.59 : x
2. Step 2: Convert to fraction form
   31,781.51/43,858.71 = 17,634.59/x
3. Step 3: Cross multiply
   31,781.51x = 43,858.71 × 17,634.59
4. Step 4: Simplify right side
   31,781.51x = 773,430,368.78
5. Step 5: Solve for x
   x = 773,430,368.78/31,781.51
6. Step 6: Final answer
   x = 24,335.86