Finding the Fourth Proportional to 1,443,609.28, 1,992,227.82 and 831,714.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,609.28 : 1,992,227.82 = 831,714.02 : x
2. Step 2: Convert to fraction form
   1,443,609.28/1,992,227.82 = 831,714.02/x
3. Step 3: Cross multiply
   1,443,609.28x = 1,992,227.82 × 831,714.02
4. Step 4: Simplify right side
   1,443,609.28x = 1,656,963,808,928.04
5. Step 5: Solve for x
   x = 1,656,963,808,928.04/1,443,609.28
6. Step 6: Final answer
   x = 1,147,792.43