Finding the Fourth Proportional to 2,700.72, 4,065.78 and 1,840.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.72 : 4,065.78 = 1,840.56 : x
2. Step 2: Convert to fraction form
   2,700.72/4,065.78 = 1,840.56/x
3. Step 3: Cross multiply
   2,700.72x = 4,065.78 × 1,840.56
4. Step 4: Simplify right side
   2,700.72x = 7,483,312.04
5. Step 5: Solve for x
   x = 7,483,312.04/2,700.72
6. Step 6: Final answer
   x = 2,770.86