Finding the Fourth Proportional to 7,493.59, 11,245.40 and 3,111.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,493.59 : 11,245.40 = 3,111.05 : x
2. Step 2: Convert to fraction form
   7,493.59/11,245.40 = 3,111.05/x
3. Step 3: Cross multiply
   7,493.59x = 11,245.40 × 3,111.05
4. Step 4: Simplify right side
   7,493.59x = 34,985,037.56
5. Step 5: Solve for x
   x = 34,985,037.56/7,493.59
6. Step 6: Final answer
   x = 4,668.66