Finding the Fourth Proportional to 1,665.59, 2,497.51 and 741.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.59 : 2,497.51 = 741.43 : x
2. Step 2: Convert to fraction form
   1,665.59/2,497.51 = 741.43/x
3. Step 3: Cross multiply
   1,665.59x = 2,497.51 × 741.43
4. Step 4: Simplify right side
   1,665.59x = 1,851,712.64
5. Step 5: Solve for x
   x = 1,851,712.64/1,665.59
6. Step 6: Final answer
   x = 1,111.75