Finding the Fourth Proportional to 2,261.35, 3,386.18 and 1,560.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,261.35 : 3,386.18 = 1,560.72 : x
2. Step 2: Convert to fraction form
   2,261.35/3,386.18 = 1,560.72/x
3. Step 3: Cross multiply
   2,261.35x = 3,386.18 × 1,560.72
4. Step 4: Simplify right side
   2,261.35x = 5,284,883.81
5. Step 5: Solve for x
   x = 5,284,883.81/2,261.35
6. Step 6: Final answer
   x = 2,337.05