Finding the Fourth Proportional to 2,774.52, 3,827.25 and 1,978.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,774.52 : 3,827.25 = 1,978.02 : x
2. Step 2: Convert to fraction form
   2,774.52/3,827.25 = 1,978.02/x
3. Step 3: Cross multiply
   2,774.52x = 3,827.25 × 1,978.02
4. Step 4: Simplify right side
   2,774.52x = 7,570,377.05
5. Step 5: Solve for x
   x = 7,570,377.05/2,774.52
6. Step 6: Final answer
   x = 2,728.54