Finding the Fourth Proportional to 1,321,796.42, 1,823,648.33 and 770,386.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,321,796.42 : 1,823,648.33 = 770,386.29 : x
2. Step 2: Convert to fraction form
   1,321,796.42/1,823,648.33 = 770,386.29/x
3. Step 3: Cross multiply
   1,321,796.42x = 1,823,648.33 × 770,386.29
4. Step 4: Simplify right side
   1,321,796.42x = 1,404,913,672,225.28
5. Step 5: Solve for x
   x = 1,404,913,672,225.28/1,321,796.42
6. Step 6: Final answer
   x = 1,062,882.03