Finding the Fourth Proportional to 9,437.16, 14,145.06 and 4,749.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,437.16 : 14,145.06 = 4,749.72 : x
2. Step 2: Convert to fraction form
   9,437.16/14,145.06 = 4,749.72/x
3. Step 3: Cross multiply
   9,437.16x = 14,145.06 × 4,749.72
4. Step 4: Simplify right side
   9,437.16x = 67,185,074.38
5. Step 5: Solve for x
   x = 67,185,074.38/9,437.16
6. Step 6: Final answer
   x = 7,119.20