Finding the Fourth Proportional to 1,778,460.69, 2,454,585.89 and 1,053,716.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778,460.69 : 2,454,585.89 = 1,053,716.45 : x
2. Step 2: Convert to fraction form
   1,778,460.69/2,454,585.89 = 1,053,716.45/x
3. Step 3: Cross multiply
   1,778,460.69x = 2,454,585.89 × 1,053,716.45
4. Step 4: Simplify right side
   1,778,460.69x = 2,586,437,524,962.31
5. Step 5: Solve for x
   x = 2,586,437,524,962.31/1,778,460.69
6. Step 6: Final answer
   x = 1,454,312.45