Finding the Fourth Proportional to 82,258.04, 123,385.98 and 19,929.08

Step by Step Solution

1. Step 1: Write the proportion equation
   82,258.04 : 123,385.98 = 19,929.08 : x
2. Step 2: Convert to fraction form
   82,258.04/123,385.98 = 19,929.08/x
3. Step 3: Cross multiply
   82,258.04x = 123,385.98 × 19,929.08
4. Step 4: Simplify right side
   82,258.04x = 2,458,969,066.30
5. Step 5: Solve for x
   x = 2,458,969,066.30/82,258.04
6. Step 6: Final answer
   x = 29,893.36