Finding the Fourth Proportional to 738,547.42, 1,107,361.86 and 311,863.72

Step by Step Solution

1. Step 1: Write the proportion equation
   738,547.42 : 1,107,361.86 = 311,863.72 : x
2. Step 2: Convert to fraction form
   738,547.42/1,107,361.86 = 311,863.72/x
3. Step 3: Cross multiply
   738,547.42x = 1,107,361.86 × 311,863.72
4. Step 4: Simplify right side
   738,547.42x = 345,345,989,045.72
5. Step 5: Solve for x
   x = 345,345,989,045.72/738,547.42
6. Step 6: Final answer
   x = 467,601.65