Finding the Fourth Proportional to 82,213.47, 123,320.27 and 19,883.97

Step by Step Solution

1. Step 1: Write the proportion equation
   82,213.47 : 123,320.27 = 19,883.97 : x
2. Step 2: Convert to fraction form
   82,213.47/123,320.27 = 19,883.97/x
3. Step 3: Cross multiply
   82,213.47x = 123,320.27 × 19,883.97
4. Step 4: Simplify right side
   82,213.47x = 2,452,096,549.07
5. Step 5: Solve for x
   x = 2,452,096,549.07/82,213.47
6. Step 6: Final answer
   x = 29,825.97