Finding the Fourth Proportional to 5,147.94, 7,105.47 and 3,288.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,147.94 : 7,105.47 = 3,288.18 : x
2. Step 2: Convert to fraction form
   5,147.94/7,105.47 = 3,288.18/x
3. Step 3: Cross multiply
   5,147.94x = 7,105.47 × 3,288.18
4. Step 4: Simplify right side
   5,147.94x = 23,364,064.34
5. Step 5: Solve for x
   x = 23,364,064.34/5,147.94
6. Step 6: Final answer
   x = 4,538.53