Finding the Fourth Proportional to 2,373.73, 3,275.91 and 1,311.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,373.73 : 3,275.91 = 1,311.53 : x
2. Step 2: Convert to fraction form
   2,373.73/3,275.91 = 1,311.53/x
3. Step 3: Cross multiply
   2,373.73x = 3,275.91 × 1,311.53
4. Step 4: Simplify right side
   2,373.73x = 4,296,437.86
5. Step 5: Solve for x
   x = 4,296,437.86/2,373.73
6. Step 6: Final answer
   x = 1,810.00