Finding the Fourth Proportional to 7,062.52, 9,746.18 and 3,918.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,062.52 : 9,746.18 = 3,918.72 : x
2. Step 2: Convert to fraction form
   7,062.52/9,746.18 = 3,918.72/x
3. Step 3: Cross multiply
   7,062.52x = 9,746.18 × 3,918.72
4. Step 4: Simplify right side
   7,062.52x = 38,192,550.49
5. Step 5: Solve for x
   x = 38,192,550.49/7,062.52
6. Step 6: Final answer
   x = 5,407.78