Finding the Fourth Proportional to 1,458.81, 2,012.85 and 1,061.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458.81 : 2,012.85 = 1,061.10 : x
2. Step 2: Convert to fraction form
   1,458.81/2,012.85 = 1,061.10/x
3. Step 3: Cross multiply
   1,458.81x = 2,012.85 × 1,061.10
4. Step 4: Simplify right side
   1,458.81x = 2,135,835.14
5. Step 5: Solve for x
   x = 2,135,835.14/1,458.81
6. Step 6: Final answer
   x = 1,464.09