Finding the Fourth Proportional to 1,096,142.32, 1,644,377.48 and 337,920.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096,142.32 : 1,644,377.48 = 337,920.72 : x
2. Step 2: Convert to fraction form
   1,096,142.32/1,644,377.48 = 337,920.72/x
3. Step 3: Cross multiply
   1,096,142.32x = 1,644,377.48 × 337,920.72
4. Step 4: Simplify right side
   1,096,142.32x = 555,669,221,993.39
5. Step 5: Solve for x
   x = 555,669,221,993.39/1,096,142.32
6. Step 6: Final answer
   x = 506,931.64