Finding the Fourth Proportional to 2,739.88, 3,780.83 and 1,560.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,739.88 : 3,780.83 = 1,560.72 : x
2. Step 2: Convert to fraction form
   2,739.88/3,780.83 = 1,560.72/x
3. Step 3: Cross multiply
   2,739.88x = 3,780.83 × 1,560.72
4. Step 4: Simplify right side
   2,739.88x = 5,900,817.00
5. Step 5: Solve for x
   x = 5,900,817.00/2,739.88
6. Step 6: Final answer
   x = 2,153.68