Finding the Fourth Proportional to 31,760.84, 43,838.52 and 19,817.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,760.84 : 43,838.52 = 19,817.12 : x
2. Step 2: Convert to fraction form
   31,760.84/43,838.52 = 19,817.12/x
3. Step 3: Cross multiply
   31,760.84x = 43,838.52 × 19,817.12
4. Step 4: Simplify right side
   31,760.84x = 868,753,211.46
5. Step 5: Solve for x
   x = 868,753,211.46/31,760.84
6. Step 6: Final answer
   x = 27,352.97