Finding the Fourth Proportional to 1,457.50, 2,010.02 and 1,085.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,457.50 : 2,010.02 = 1,085.42 : x
2. Step 2: Convert to fraction form
   1,457.50/2,010.02 = 1,085.42/x
3. Step 3: Cross multiply
   1,457.50x = 2,010.02 × 1,085.42
4. Step 4: Simplify right side
   1,457.50x = 2,181,715.91
5. Step 5: Solve for x
   x = 2,181,715.91/1,457.50
6. Step 6: Final answer
   x = 1,496.89