Finding the Fourth Proportional to 2,310.56, 3,187.62 and 1,612.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,310.56 : 3,187.62 = 1,612.34 : x
2. Step 2: Convert to fraction form
   2,310.56/3,187.62 = 1,612.34/x
3. Step 3: Cross multiply
   2,310.56x = 3,187.62 × 1,612.34
4. Step 4: Simplify right side
   2,310.56x = 5,139,527.23
5. Step 5: Solve for x
   x = 5,139,527.23/2,310.56
6. Step 6: Final answer
   x = 2,224.36