Finding the Fourth Proportional to 1,780.02, 2,671.02 and 739.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780.02 : 2,671.02 = 739.83 : x
2. Step 2: Convert to fraction form
   1,780.02/2,671.02 = 739.83/x
3. Step 3: Cross multiply
   1,780.02x = 2,671.02 × 739.83
4. Step 4: Simplify right side
   1,780.02x = 1,976,100.73
5. Step 5: Solve for x
   x = 1,976,100.73/1,780.02
6. Step 6: Final answer
   x = 1,110.16