Finding the Fourth Proportional to 1,664.38, 2,497.15 and 740.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,664.38 : 2,497.15 = 740.59 : x
2. Step 2: Convert to fraction form
   1,664.38/2,497.15 = 740.59/x
3. Step 3: Cross multiply
   1,664.38x = 2,497.15 × 740.59
4. Step 4: Simplify right side
   1,664.38x = 1,849,364.32
5. Step 5: Solve for x
   x = 1,849,364.32/1,664.38
6. Step 6: Final answer
   x = 1,111.14