Finding the Fourth Proportional to 205,624.98, 308,443.55 and 55,864.49

Step by Step Solution

1. Step 1: Write the proportion equation
   205,624.98 : 308,443.55 = 55,864.49 : x
2. Step 2: Convert to fraction form
   205,624.98/308,443.55 = 55,864.49/x
3. Step 3: Cross multiply
   205,624.98x = 308,443.55 × 55,864.49
4. Step 4: Simplify right side
   205,624.98x = 17,231,039,793.00
5. Step 5: Solve for x
   x = 17,231,039,793.00/205,624.98
6. Step 6: Final answer
   x = 83,798.38