Finding the Fourth Proportional to 2,310.53, 3,188.52 and 1,262.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,310.53 : 3,188.52 = 1,262.57 : x
2. Step 2: Convert to fraction form
   2,310.53/3,188.52 = 1,262.57/x
3. Step 3: Cross multiply
   2,310.53x = 3,188.52 × 1,262.57
4. Step 4: Simplify right side
   2,310.53x = 4,025,713.75
5. Step 5: Solve for x
   x = 4,025,713.75/2,310.53
6. Step 6: Final answer
   x = 1,742.34