Finding the Fourth Proportional to 2,341.58, 3,231.78 and 1,457.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,341.58 : 3,231.78 = 1,457.78 : x
2. Step 2: Convert to fraction form
   2,341.58/3,231.78 = 1,457.78/x
3. Step 3: Cross multiply
   2,341.58x = 3,231.78 × 1,457.78
4. Step 4: Simplify right side
   2,341.58x = 4,711,224.25
5. Step 5: Solve for x
   x = 4,711,224.25/2,341.58
6. Step 6: Final answer
   x = 2,011.99