Finding the Fourth Proportional to 1,777.12, 2,452.72 and 1,114.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777.12 : 2,452.72 = 1,114.54 : x
2. Step 2: Convert to fraction form
   1,777.12/2,452.72 = 1,114.54/x
3. Step 3: Cross multiply
   1,777.12x = 2,452.72 × 1,114.54
4. Step 4: Simplify right side
   1,777.12x = 2,733,654.55
5. Step 5: Solve for x
   x = 2,733,654.55/1,777.12
6. Step 6: Final answer
   x = 1,538.25