Finding the Fourth Proportional to 31,978.14, 44,130.12 and 17,638.52

Step by Step Solution

1. Step 1: Write the proportion equation
   31,978.14 : 44,130.12 = 17,638.52 : x
2. Step 2: Convert to fraction form
   31,978.14/44,130.12 = 17,638.52/x
3. Step 3: Cross multiply
   31,978.14x = 44,130.12 × 17,638.52
4. Step 4: Simplify right side
   31,978.14x = 778,390,114.55
5. Step 5: Solve for x
   x = 778,390,114.55/31,978.14
6. Step 6: Final answer
   x = 24,341.32