Finding the Fourth Proportional to 9,907.69, 14,851.06 and 3,663.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,907.69 : 14,851.06 = 3,663.69 : x
2. Step 2: Convert to fraction form
   9,907.69/14,851.06 = 3,663.69/x
3. Step 3: Cross multiply
   9,907.69x = 14,851.06 × 3,663.69
4. Step 4: Simplify right side
   9,907.69x = 54,409,680.01
5. Step 5: Solve for x
   x = 54,409,680.01/9,907.69
6. Step 6: Final answer
   x = 5,491.66