Finding the Fourth Proportional to 82,281.38, 123,422.47 and 19,951.88

Step by Step Solution

1. Step 1: Write the proportion equation
   82,281.38 : 123,422.47 = 19,951.88 : x
2. Step 2: Convert to fraction form
   82,281.38/123,422.47 = 19,951.88/x
3. Step 3: Cross multiply
   82,281.38x = 123,422.47 × 19,951.88
4. Step 4: Simplify right side
   82,281.38x = 2,462,509,643.75
5. Step 5: Solve for x
   x = 2,462,509,643.75/82,281.38
6. Step 6: Final answer
   x = 29,927.91