Finding the Fourth Proportional to 11,091.65, 16,638.27 and 3,492.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,091.65 : 16,638.27 = 3,492.28 : x
2. Step 2: Convert to fraction form
   11,091.65/16,638.27 = 3,492.28/x
3. Step 3: Cross multiply
   11,091.65x = 16,638.27 × 3,492.28
4. Step 4: Simplify right side
   11,091.65x = 58,105,396.90
5. Step 5: Solve for x
   x = 58,105,396.90/11,091.65
6. Step 6: Final answer
   x = 5,238.66