Finding the Fourth Proportional to 2,352.53, 3,250.72 and 1,688.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,352.53 : 3,250.72 = 1,688.22 : x
2. Step 2: Convert to fraction form
   2,352.53/3,250.72 = 1,688.22/x
3. Step 3: Cross multiply
   2,352.53x = 3,250.72 × 1,688.22
4. Step 4: Simplify right side
   2,352.53x = 5,487,914.26
5. Step 5: Solve for x
   x = 5,487,914.26/2,352.53
6. Step 6: Final answer
   x = 2,332.77