Finding the Fourth Proportional to 2,740.03, 3,780.31 and 1,560.26

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.03 : 3,780.31 = 1,560.26 : x
2. Step 2: Convert to fraction form
   2,740.03/3,780.31 = 1,560.26/x
3. Step 3: Cross multiply
   2,740.03x = 3,780.31 × 1,560.26
4. Step 4: Simplify right side
   2,740.03x = 5,898,266.48
5. Step 5: Solve for x
   x = 5,898,266.48/2,740.03
6. Step 6: Final answer
   x = 2,152.63