Finding the Fourth Proportional to 2,256.42, 3,111.00 and 1,458.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256.42 : 3,111.00 = 1,458.40 : x
2. Step 2: Convert to fraction form
   2,256.42/3,111.00 = 1,458.40/x
3. Step 3: Cross multiply
   2,256.42x = 3,111.00 × 1,458.40
4. Step 4: Simplify right side
   2,256.42x = 4,537,070.98
5. Step 5: Solve for x
   x = 4,537,070.98/2,256.42
6. Step 6: Final answer
   x = 2,010.74