Finding the Fourth Proportional to 1,779,025.48, 2,669,128.71 and 580,986.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,779,025.48 : 2,669,128.71 = 580,986.88 : x
2. Step 2: Convert to fraction form
   1,779,025.48/2,669,128.71 = 580,986.88/x
3. Step 3: Cross multiply
   1,779,025.48x = 2,669,128.71 × 580,986.88
4. Step 4: Simplify right side
   1,779,025.48x = 1,550,728,752,689.80
5. Step 5: Solve for x
   x = 1,550,728,752,689.80/1,779,025.48
6. Step 6: Final answer
   x = 871,673.16