Finding the Fourth Proportional to 5,104.78, 7,045.69 and 3,114.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,104.78 : 7,045.69 = 3,114.91 : x
2. Step 2: Convert to fraction form
   5,104.78/7,045.69 = 3,114.91/x
3. Step 3: Cross multiply
   5,104.78x = 7,045.69 × 3,114.91
4. Step 4: Simplify right side
   5,104.78x = 21,946,655.01
5. Step 5: Solve for x
   x = 21,946,655.01/5,104.78
6. Step 6: Final answer
   x = 4,299.24