Finding the Fourth Proportional to 492,913.35, 680,061.02 and 275,086.94

Step by Step Solution

1. Step 1: Write the proportion equation
   492,913.35 : 680,061.02 = 275,086.94 : x
2. Step 2: Convert to fraction form
   492,913.35/680,061.02 = 275,086.94/x
3. Step 3: Cross multiply
   492,913.35x = 680,061.02 × 275,086.94
4. Step 4: Simplify right side
   492,913.35x = 187,075,900,229.34
5. Step 5: Solve for x
   x = 187,075,900,229.34/492,913.35
6. Step 6: Final answer
   x = 379,531.01