Finding the Fourth Proportional to 1,404,155.23, 2,107,414.43 and 1,315,581.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,155.23 : 2,107,414.43 = 1,315,581.73 : x
2. Step 2: Convert to fraction form
   1,404,155.23/2,107,414.43 = 1,315,581.73/x
3. Step 3: Cross multiply
   1,404,155.23x = 2,107,414.43 × 1,315,581.73
4. Step 4: Simplify right side
   1,404,155.23x = 2,772,475,921,646.36
5. Step 5: Solve for x
   x = 2,772,475,921,646.36/1,404,155.23
6. Step 6: Final answer
   x = 1,974,479.65