Finding the Fourth Proportional to 1,353,256.53, 1,867,034.22 and 772,062.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,353,256.53 : 1,867,034.22 = 772,062.15 : x
2. Step 2: Convert to fraction form
   1,353,256.53/1,867,034.22 = 772,062.15/x
3. Step 3: Cross multiply
   1,353,256.53x = 1,867,034.22 × 772,062.15
4. Step 4: Simplify right side
   1,353,256.53x = 1,441,466,454,016.77
5. Step 5: Solve for x
   x = 1,441,466,454,016.77/1,353,256.53
6. Step 6: Final answer
   x = 1,065,183.45