Finding the Fourth Proportional to 3,615.30, 5,416.52 and 1,663.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,615.30 : 5,416.52 = 1,663.38 : x
2. Step 2: Convert to fraction form
   3,615.30/5,416.52 = 1,663.38/x
3. Step 3: Cross multiply
   3,615.30x = 5,416.52 × 1,663.38
4. Step 4: Simplify right side
   3,615.30x = 9,009,722.72
5. Step 5: Solve for x
   x = 9,009,722.72/3,615.30
6. Step 6: Final answer
   x = 2,492.11