Finding the Fourth Proportional to 205,078.10, 307,616.24 and 55,333.61

Step by Step Solution

1. Step 1: Write the proportion equation
   205,078.10 : 307,616.24 = 55,333.61 : x
2. Step 2: Convert to fraction form
   205,078.10/307,616.24 = 55,333.61/x
3. Step 3: Cross multiply
   205,078.10x = 307,616.24 × 55,333.61
4. Step 4: Simplify right side
   205,078.10x = 17,021,517,053.83
5. Step 5: Solve for x
   x = 17,021,517,053.83/205,078.10
6. Step 6: Final answer
   x = 83,000.17