Finding the Fourth Proportional to 1,746.69, 2,620.43 and 773.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,746.69 : 2,620.43 = 773.07 : x
2. Step 2: Convert to fraction form
   1,746.69/2,620.43 = 773.07/x
3. Step 3: Cross multiply
   1,746.69x = 2,620.43 × 773.07
4. Step 4: Simplify right side
   1,746.69x = 2,025,775.82
5. Step 5: Solve for x
   x = 2,025,775.82/1,746.69
6. Step 6: Final answer
   x = 1,159.78