Finding the Fourth Proportional to 5,107.27, 7,047.52 and 3,118.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,107.27 : 7,047.52 = 3,118.32 : x
2. Step 2: Convert to fraction form
   5,107.27/7,047.52 = 3,118.32/x
3. Step 3: Cross multiply
   5,107.27x = 7,047.52 × 3,118.32
4. Step 4: Simplify right side
   5,107.27x = 21,976,422.57
5. Step 5: Solve for x
   x = 21,976,422.57/5,107.27
6. Step 6: Final answer
   x = 4,302.97