Finding the Fourth Proportional to 1,665.18, 2,497.50 and 740.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.18 : 2,497.50 = 740.52 : x
2. Step 2: Convert to fraction form
   1,665.18/2,497.50 = 740.52/x
3. Step 3: Cross multiply
   1,665.18x = 2,497.50 × 740.52
4. Step 4: Simplify right side
   1,665.18x = 1,849,448.70
5. Step 5: Solve for x
   x = 1,849,448.70/1,665.18
6. Step 6: Final answer
   x = 1,110.66