Finding the Fourth Proportional to 1,375,055.28, 2,062,638.72 and 655,026.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,375,055.28 : 2,062,638.72 = 655,026.72 : x
2. Step 2: Convert to fraction form
   1,375,055.28/2,062,638.72 = 655,026.72/x
3. Step 3: Cross multiply
   1,375,055.28x = 2,062,638.72 × 655,026.72
4. Step 4: Simplify right side
   1,375,055.28x = 1,351,083,475,306.60
5. Step 5: Solve for x
   x = 1,351,083,475,306.60/1,375,055.28
6. Step 6: Final answer
   x = 982,566.66