Finding the Fourth Proportional to 9,117.72, 13,673.34 and 4,437.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,117.72 : 13,673.34 = 4,437.72 : x
2. Step 2: Convert to fraction form
   9,117.72/13,673.34 = 4,437.72/x
3. Step 3: Cross multiply
   9,117.72x = 13,673.34 × 4,437.72
4. Step 4: Simplify right side
   9,117.72x = 60,678,454.38
5. Step 5: Solve for x
   x = 60,678,454.38/9,117.72
6. Step 6: Final answer
   x = 6,655.00