Finding the Fourth Proportional to 1,196,831.30, 1,651,619.15 and 680,585.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196,831.30 : 1,651,619.15 = 680,585.39 : x
2. Step 2: Convert to fraction form
   1,196,831.30/1,651,619.15 = 680,585.39/x
3. Step 3: Cross multiply
   1,196,831.30x = 1,651,619.15 × 680,585.39
4. Step 4: Simplify right side
   1,196,831.30x = 1,124,067,870,985.42
5. Step 5: Solve for x
   x = 1,124,067,870,985.42/1,196,831.30
6. Step 6: Final answer
   x = 939,203.27