Finding the Fourth Proportional to 9,907.06, 14,850.12 and 3,663.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,907.06 : 14,850.12 = 3,663.07 : x
2. Step 2: Convert to fraction form
   9,907.06/14,850.12 = 3,663.07/x
3. Step 3: Cross multiply
   9,907.06x = 14,850.12 × 3,663.07
4. Step 4: Simplify right side
   9,907.06x = 54,396,954.82
5. Step 5: Solve for x
   x = 54,396,954.82/9,907.06
6. Step 6: Final answer
   x = 5,490.72