Finding the Fourth Proportional to 1,566,986.58, 2,162,531.52 and 878,879.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,566,986.58 : 2,162,531.52 = 878,879.15 : x
2. Step 2: Convert to fraction form
   1,566,986.58/2,162,531.52 = 878,879.15/x
3. Step 3: Cross multiply
   1,566,986.58x = 2,162,531.52 × 878,879.15
4. Step 4: Simplify right side
   1,566,986.58x = 1,900,603,853,333.15
5. Step 5: Solve for x
   x = 1,900,603,853,333.15/1,566,986.58
6. Step 6: Final answer
   x = 1,212,903.72