Finding the Fourth Proportional to 1,185,059.31, 1,635,370.16 and 641,183.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,185,059.31 : 1,635,370.16 = 641,183.15 : x
2. Step 2: Convert to fraction form
   1,185,059.31/1,635,370.16 = 641,183.15/x
3. Step 3: Cross multiply
   1,185,059.31x = 1,635,370.16 × 641,183.15
4. Step 4: Simplify right side
   1,185,059.31x = 1,048,571,779,222.04
5. Step 5: Solve for x
   x = 1,048,571,779,222.04/1,185,059.31
6. Step 6: Final answer
   x = 884,826.41