Finding the Fourth Proportional to 1,746.78, 2,621.52 and 773.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,746.78 : 2,621.52 = 773.52 : x
2. Step 2: Convert to fraction form
   1,746.78/2,621.52 = 773.52/x
3. Step 3: Cross multiply
   1,746.78x = 2,621.52 × 773.52
4. Step 4: Simplify right side
   1,746.78x = 2,027,798.15
5. Step 5: Solve for x
   x = 2,027,798.15/1,746.78
6. Step 6: Final answer
   x = 1,160.88