Finding the Fourth Proportional to 2,353.74, 3,247.50 and 1,345.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,353.74 : 3,247.50 = 1,345.50 : x
2. Step 2: Convert to fraction form
   2,353.74/3,247.50 = 1,345.50/x
3. Step 3: Cross multiply
   2,353.74x = 3,247.50 × 1,345.50
4. Step 4: Simplify right side
   2,353.74x = 4,369,511.25
5. Step 5: Solve for x
   x = 4,369,511.25/2,353.74
6. Step 6: Final answer
   x = 1,856.41