Finding the Fourth Proportional to 2,196.75, 3,032.24 and 1,577.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.75 : 3,032.24 = 1,577.55 : x
2. Step 2: Convert to fraction form
   2,196.75/3,032.24 = 1,577.55/x
3. Step 3: Cross multiply
   2,196.75x = 3,032.24 × 1,577.55
4. Step 4: Simplify right side
   2,196.75x = 4,783,502.32
5. Step 5: Solve for x
   x = 4,783,502.32/2,196.75
6. Step 6: Final answer
   x = 2,177.54