Finding the Fourth Proportional to 1,146.29, 1,579.75 and 1,126.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,146.29 : 1,579.75 = 1,126.10 : x
2. Step 2: Convert to fraction form
   1,146.29/1,579.75 = 1,126.10/x
3. Step 3: Cross multiply
   1,146.29x = 1,579.75 × 1,126.10
4. Step 4: Simplify right side
   1,146.29x = 1,778,945.76
5. Step 5: Solve for x
   x = 1,778,945.76/1,146.29
6. Step 6: Final answer
   x = 1,551.91