Finding the Fourth Proportional to 2,356.69, 3,252.31 and 1,560.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.69 : 3,252.31 = 1,560.70 : x
2. Step 2: Convert to fraction form
   2,356.69/3,252.31 = 1,560.70/x
3. Step 3: Cross multiply
   2,356.69x = 3,252.31 × 1,560.70
4. Step 4: Simplify right side
   2,356.69x = 5,075,880.22
5. Step 5: Solve for x
   x = 5,075,880.22/2,356.69
6. Step 6: Final answer
   x = 2,153.82