Finding the Fourth Proportional to 1,458.81, 2,010.42 and 1,065.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458.81 : 2,010.42 = 1,065.15 : x
2. Step 2: Convert to fraction form
   1,458.81/2,010.42 = 1,065.15/x
3. Step 3: Cross multiply
   1,458.81x = 2,010.42 × 1,065.15
4. Step 4: Simplify right side
   1,458.81x = 2,141,398.86
5. Step 5: Solve for x
   x = 2,141,398.86/1,458.81
6. Step 6: Final answer
   x = 1,467.91