Finding the Fourth Proportional to 2,356.71, 3,250.83 and 1,560.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.71 : 3,250.83 = 1,560.05 : x
2. Step 2: Convert to fraction form
   2,356.71/3,250.83 = 1,560.05/x
3. Step 3: Cross multiply
   2,356.71x = 3,250.83 × 1,560.05
4. Step 4: Simplify right side
   2,356.71x = 5,071,441.09
5. Step 5: Solve for x
   x = 5,071,441.09/2,356.71
6. Step 6: Final answer
   x = 2,151.92