Finding the Fourth Proportional to 1,105,200.72, 1,655,828.86 and 599,439.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,200.72 : 1,655,828.86 = 599,439.09 : x
2. Step 2: Convert to fraction form
   1,105,200.72/1,655,828.86 = 599,439.09/x
3. Step 3: Cross multiply
   1,105,200.72x = 1,655,828.86 × 599,439.09
4. Step 4: Simplify right side
   1,105,200.72x = 992,568,542,036.94
5. Step 5: Solve for x
   x = 992,568,542,036.94/1,105,200.72
6. Step 6: Final answer
   x = 898,088.94