Finding the Fourth Proportional to 5,663.89, 8,492.47 and 2,154.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,663.89 : 8,492.47 = 2,154.15 : x
2. Step 2: Convert to fraction form
   5,663.89/8,492.47 = 2,154.15/x
3. Step 3: Cross multiply
   5,663.89x = 8,492.47 × 2,154.15
4. Step 4: Simplify right side
   5,663.89x = 18,294,054.25
5. Step 5: Solve for x
   x = 18,294,054.25/5,663.89
6. Step 6: Final answer
   x = 3,229.95