Finding the Fourth Proportional to 1,781.01, 2,671.86 and 740.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,781.01 : 2,671.86 = 740.45 : x
2. Step 2: Convert to fraction form
   1,781.01/2,671.86 = 740.45/x
3. Step 3: Cross multiply
   1,781.01x = 2,671.86 × 740.45
4. Step 4: Simplify right side
   1,781.01x = 1,978,385.42
5. Step 5: Solve for x
   x = 1,978,385.42/1,781.01
6. Step 6: Final answer
   x = 1,110.82