Finding the Fourth Proportional to 31,915.76, 44,043 and 17,768.32

Step by Step Solution

1. Step 1: Write the proportion equation
   31,915.76 : 44,043 = 17,768.32 : x
2. Step 2: Convert to fraction form
   31,915.76/44,043 = 17,768.32/x
3. Step 3: Cross multiply
   31,915.76x = 44,043 × 17,768.32
4. Step 4: Simplify right side
   31,915.76x = 782,570,117.76
5. Step 5: Solve for x
   x = 782,570,117.76/31,915.76
6. Step 6: Final answer
   x = 24,519.86