Finding the Fourth Proportional to 82,046.19, 123,069.28 and 19,716.69

Step by Step Solution

1. Step 1: Write the proportion equation
   82,046.19 : 123,069.28 = 19,716.69 : x
2. Step 2: Convert to fraction form
   82,046.19/123,069.28 = 19,716.69/x
3. Step 3: Cross multiply
   82,046.19x = 123,069.28 × 19,716.69
4. Step 4: Simplify right side
   82,046.19x = 2,426,518,743.70
5. Step 5: Solve for x
   x = 2,426,518,743.70/82,046.19
6. Step 6: Final answer
   x = 29,575.03