Finding the Fourth Proportional to 2,343.72, 3,190.98 and 2,336.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,343.72 : 3,190.98 = 2,336.40 : x
2. Step 2: Convert to fraction form
   2,343.72/3,190.98 = 2,336.40/x
3. Step 3: Cross multiply
   2,343.72x = 3,190.98 × 2,336.40
4. Step 4: Simplify right side
   2,343.72x = 7,455,405.67
5. Step 5: Solve for x
   x = 7,455,405.67/2,343.72
6. Step 6: Final answer
   x = 3,181.01