Finding the Fourth Proportional to 492,105.57, 737,895.91 and 254,859.81

Step by Step Solution

1. Step 1: Write the proportion equation
   492,105.57 : 737,895.91 = 254,859.81 : x
2. Step 2: Convert to fraction form
   492,105.57/737,895.91 = 254,859.81/x
3. Step 3: Cross multiply
   492,105.57x = 737,895.91 × 254,859.81
4. Step 4: Simplify right side
   492,105.57x = 188,060,011,422.38
5. Step 5: Solve for x
   x = 188,060,011,422.38/492,105.57
6. Step 6: Final answer
   x = 382,153.80