Finding the Fourth Proportional to 82,278.09, 123,417.17 and 19,948.59

Step by Step Solution

1. Step 1: Write the proportion equation
   82,278.09 : 123,417.17 = 19,948.59 : x
2. Step 2: Convert to fraction form
   82,278.09/123,417.17 = 19,948.59/x
3. Step 3: Cross multiply
   82,278.09x = 123,417.17 × 19,948.59
4. Step 4: Simplify right side
   82,278.09x = 2,461,998,423.55
5. Step 5: Solve for x
   x = 2,461,998,423.55/82,278.09
6. Step 6: Final answer
   x = 29,922.89