Finding the Fourth Proportional to 492,956.33, 680,280.18 and 266,601.83

Step by Step Solution

1. Step 1: Write the proportion equation
   492,956.33 : 680,280.18 = 266,601.83 : x
2. Step 2: Convert to fraction form
   492,956.33/680,280.18 = 266,601.83/x
3. Step 3: Cross multiply
   492,956.33x = 680,280.18 × 266,601.83
4. Step 4: Simplify right side
   492,956.33x = 181,363,940,024.55
5. Step 5: Solve for x
   x = 181,363,940,024.55/492,956.33
6. Step 6: Final answer
   x = 367,910.77