Finding the Fourth Proportional to 1,284,168.78, 1,926,107.37 and 337,613.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,284,168.78 : 1,926,107.37 = 337,613.31 : x
2. Step 2: Convert to fraction form
   1,284,168.78/1,926,107.37 = 337,613.31/x
3. Step 3: Cross multiply
   1,284,168.78x = 1,926,107.37 × 337,613.31
4. Step 4: Simplify right side
   1,284,168.78x = 650,279,484,601.10
5. Step 5: Solve for x
   x = 650,279,484,601.10/1,284,168.78
6. Step 6: Final answer
   x = 506,381.63