Finding the Fourth Proportional to 12,211.52, 18,316.94 and 3,892.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,211.52 : 18,316.94 = 3,892.04 : x
2. Step 2: Convert to fraction form
   12,211.52/18,316.94 = 3,892.04/x
3. Step 3: Cross multiply
   12,211.52x = 18,316.94 × 3,892.04
4. Step 4: Simplify right side
   12,211.52x = 71,290,263.16
5. Step 5: Solve for x
   x = 71,290,263.16/12,211.52
6. Step 6: Final answer
   x = 5,837.95