Finding the Fourth Proportional to 31,784.52, 43,862.94 and 17,638.68

Step by Step Solution

1. Step 1: Write the proportion equation
   31,784.52 : 43,862.94 = 17,638.68 : x
2. Step 2: Convert to fraction form
   31,784.52/43,862.94 = 17,638.68/x
3. Step 3: Cross multiply
   31,784.52x = 43,862.94 × 17,638.68
4. Step 4: Simplify right side
   31,784.52x = 773,684,362.52
5. Step 5: Solve for x
   x = 773,684,362.52/31,784.52
6. Step 6: Final answer
   x = 24,341.55