Finding the Fourth Proportional to 1,472,143.82, 2,204,672.18 and 997,389.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,472,143.82 : 2,204,672.18 = 997,389.86 : x
2. Step 2: Convert to fraction form
   1,472,143.82/2,204,672.18 = 997,389.86/x
3. Step 3: Cross multiply
   1,472,143.82x = 2,204,672.18 × 997,389.86
4. Step 4: Simplify right side
   1,472,143.82x = 2,198,917,660,945.78
5. Step 5: Solve for x
   x = 2,198,917,660,945.78/1,472,143.82
6. Step 6: Final answer
   x = 1,493,684.00