Finding the Fourth Proportional to 1,869,150.72, 2,579,579.78 and 1,053,409.65

Step by Step Solution

1. Step 1: Write the proportion equation
   1,869,150.72 : 2,579,579.78 = 1,053,409.65 : x
2. Step 2: Convert to fraction form
   1,869,150.72/2,579,579.78 = 1,053,409.65/x
3. Step 3: Cross multiply
   1,869,150.72x = 2,579,579.78 × 1,053,409.65
4. Step 4: Simplify right side
   1,869,150.72x = 2,717,354,233,196.88
5. Step 5: Solve for x
   x = 2,717,354,233,196.88/1,869,150.72
6. Step 6: Final answer
   x = 1,453,790.86