Finding the Fourth Proportional to 82,046.57, 123,069.84 and 19,717.07

Step by Step Solution

1. Step 1: Write the proportion equation
   82,046.57 : 123,069.84 = 19,717.07 : x
2. Step 2: Convert to fraction form
   82,046.57/123,069.84 = 19,717.07/x
3. Step 3: Cross multiply
   82,046.57x = 123,069.84 × 19,717.07
4. Step 4: Simplify right side
   82,046.57x = 2,426,576,650.17
5. Step 5: Solve for x
   x = 2,426,576,650.17/82,046.57
6. Step 6: Final answer
   x = 29,575.60