Finding the Fourth Proportional to 417,499.74, 626,251.50 and 177,551.82

Step by Step Solution

1. Step 1: Write the proportion equation
   417,499.74 : 626,251.50 = 177,551.82 : x
2. Step 2: Convert to fraction form
   417,499.74/626,251.50 = 177,551.82/x
3. Step 3: Cross multiply
   417,499.74x = 626,251.50 × 177,551.82
4. Step 4: Simplify right side
   417,499.74x = 111,192,093,602.73
5. Step 5: Solve for x
   x = 111,192,093,602.73/417,499.74
6. Step 6: Final answer
   x = 266,328.53