Finding the Fourth Proportional to 2,287,242.72, 3,431,171.28 and 867,825.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287,242.72 : 3,431,171.28 = 867,825.12 : x
2. Step 2: Convert to fraction form
   2,287,242.72/3,431,171.28 = 867,825.12/x
3. Step 3: Cross multiply
   2,287,242.72x = 3,431,171.28 × 867,825.12
4. Step 4: Simplify right side
   2,287,242.72x = 2,977,656,627,806.55
5. Step 5: Solve for x
   x = 2,977,656,627,806.55/2,287,242.72
6. Step 6: Final answer
   x = 1,301,854.24