Finding the Fourth Proportional to 31,981.42, 44,152.43 and 21,244.70

Step by Step Solution

1. Step 1: Write the proportion equation
   31,981.42 : 44,152.43 = 21,244.70 : x
2. Step 2: Convert to fraction form
   31,981.42/44,152.43 = 21,244.70/x
3. Step 3: Cross multiply
   31,981.42x = 44,152.43 × 21,244.70
4. Step 4: Simplify right side
   31,981.42x = 938,004,885.42
5. Step 5: Solve for x
   x = 938,004,885.42/31,981.42
6. Step 6: Final answer
   x = 29,329.69