Finding the Fourth Proportional to 7,418.88, 10,238.16 and 4,106.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,418.88 : 10,238.16 = 4,106.88 : x
2. Step 2: Convert to fraction form
   7,418.88/10,238.16 = 4,106.88/x
3. Step 3: Cross multiply
   7,418.88x = 10,238.16 × 4,106.88
4. Step 4: Simplify right side
   7,418.88x = 42,046,894.54
5. Step 5: Solve for x
   x = 42,046,894.54/7,418.88
6. Step 6: Final answer
   x = 5,667.55