Finding the Fourth Proportional to 11,086.60, 16,636.08 and 5,892.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,086.60 : 16,636.08 = 5,892.32 : x
2. Step 2: Convert to fraction form
   11,086.60/16,636.08 = 5,892.32/x
3. Step 3: Cross multiply
   11,086.60x = 16,636.08 × 5,892.32
4. Step 4: Simplify right side
   11,086.60x = 98,025,106.91
5. Step 5: Solve for x
   x = 98,025,106.91/11,086.60
6. Step 6: Final answer
   x = 8,841.76