Finding the Fourth Proportional to 9,901.89, 14,837.20 and 3,653.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,901.89 : 14,837.20 = 3,653.30 : x
2. Step 2: Convert to fraction form
   9,901.89/14,837.20 = 3,653.30/x
3. Step 3: Cross multiply
   9,901.89x = 14,837.20 × 3,653.30
4. Step 4: Simplify right side
   9,901.89x = 54,204,742.76
5. Step 5: Solve for x
   x = 54,204,742.76/9,901.89
6. Step 6: Final answer
   x = 5,474.18