Finding the Fourth Proportional to 2,355.17, 3,528.77 and 1,314.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.17 : 3,528.77 = 1,314.56 : x
2. Step 2: Convert to fraction form
   2,355.17/3,528.77 = 1,314.56/x
3. Step 3: Cross multiply
   2,355.17x = 3,528.77 × 1,314.56
4. Step 4: Simplify right side
   2,355.17x = 4,638,782.14
5. Step 5: Solve for x
   x = 4,638,782.14/2,355.17
6. Step 6: Final answer
   x = 1,969.62