Finding the Fourth Proportional to 2,341.50, 3,231.48 and 1,347.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,341.50 : 3,231.48 = 1,347.12 : x
2. Step 2: Convert to fraction form
   2,341.50/3,231.48 = 1,347.12/x
3. Step 3: Cross multiply
   2,341.50x = 3,231.48 × 1,347.12
4. Step 4: Simplify right side
   2,341.50x = 4,353,191.34
5. Step 5: Solve for x
   x = 4,353,191.34/2,341.50
6. Step 6: Final answer
   x = 1,859.15