Finding the Fourth Proportional to 1,142,831.69, 1,714,533.06 and 806,528.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142,831.69 : 1,714,533.06 = 806,528.81 : x
2. Step 2: Convert to fraction form
   1,142,831.69/1,714,533.06 = 806,528.81/x
3. Step 3: Cross multiply
   1,142,831.69x = 1,714,533.06 × 806,528.81
4. Step 4: Simplify right side
   1,142,831.69x = 1,382,820,308,587.46
5. Step 5: Solve for x
   x = 1,382,820,308,587.46/1,142,831.69
6. Step 6: Final answer
   x = 1,209,994.72