Finding the Fourth Proportional to 2,000.77, 3,002.06 and 1,270.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,000.77 : 3,002.06 = 1,270.15 : x
2. Step 2: Convert to fraction form
   2,000.77/3,002.06 = 1,270.15/x
3. Step 3: Cross multiply
   2,000.77x = 3,002.06 × 1,270.15
4. Step 4: Simplify right side
   2,000.77x = 3,813,060.16
5. Step 5: Solve for x
   x = 3,813,060.16/2,000.77
6. Step 6: Final answer
   x = 1,905.80