Finding the Fourth Proportional to 2,993.96, 4,493.01 and 1,240.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,993.96 : 4,493.01 = 1,240.55 : x
2. Step 2: Convert to fraction form
   2,993.96/4,493.01 = 1,240.55/x
3. Step 3: Cross multiply
   2,993.96x = 4,493.01 × 1,240.55
4. Step 4: Simplify right side
   2,993.96x = 5,573,803.56
5. Step 5: Solve for x
   x = 5,573,803.56/2,993.96
6. Step 6: Final answer
   x = 1,861.68