Finding the Fourth Proportional to 1,256.72, 1,882.24 and 1,051.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256.72 : 1,882.24 = 1,051.38 : x
2. Step 2: Convert to fraction form
   1,256.72/1,882.24 = 1,051.38/x
3. Step 3: Cross multiply
   1,256.72x = 1,882.24 × 1,051.38
4. Step 4: Simplify right side
   1,256.72x = 1,978,946.86
5. Step 5: Solve for x
   x = 1,978,946.86/1,256.72
6. Step 6: Final answer
   x = 1,574.70