Finding the Fourth Proportional to 9,436.16, 14,143.56 and 4,748.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,436.16 : 14,143.56 = 4,748.72 : x
2. Step 2: Convert to fraction form
   9,436.16/14,143.56 = 4,748.72/x
3. Step 3: Cross multiply
   9,436.16x = 14,143.56 × 4,748.72
4. Step 4: Simplify right side
   9,436.16x = 67,163,806.24
5. Step 5: Solve for x
   x = 67,163,806.24/9,436.16
6. Step 6: Final answer
   x = 7,117.71