Finding the Fourth Proportional to 9,903.09, 14,856.27 and 3,663.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,903.09 : 14,856.27 = 3,663.12 : x
2. Step 2: Convert to fraction form
   9,903.09/14,856.27 = 3,663.12/x
3. Step 3: Cross multiply
   9,903.09x = 14,856.27 × 3,663.12
4. Step 4: Simplify right side
   9,903.09x = 54,420,299.76
5. Step 5: Solve for x
   x = 54,420,299.76/9,903.09
6. Step 6: Final answer
   x = 5,495.28