Finding the Fourth Proportional to 1,488.28, 2,051.42 and 1,133.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488.28 : 2,051.42 = 1,133.02 : x
2. Step 2: Convert to fraction form
   1,488.28/2,051.42 = 1,133.02/x
3. Step 3: Cross multiply
   1,488.28x = 2,051.42 × 1,133.02
4. Step 4: Simplify right side
   1,488.28x = 2,324,299.89
5. Step 5: Solve for x
   x = 2,324,299.89/1,488.28
6. Step 6: Final answer
   x = 1,561.74