Finding the Fourth Proportional to 9,938.69, 14,907.72 and 4,672.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,938.69 : 14,907.72 = 4,672.42 : x
2. Step 2: Convert to fraction form
   9,938.69/14,907.72 = 4,672.42/x
3. Step 3: Cross multiply
   9,938.69x = 14,907.72 × 4,672.42
4. Step 4: Simplify right side
   9,938.69x = 69,655,129.08
5. Step 5: Solve for x
   x = 69,655,129.08/9,938.69
6. Step 6: Final answer
   x = 7,008.48