Finding the Fourth Proportional to 15,574.43, 21,492.72 and 11,105.96

Step by Step Solution

1. Step 1: Write the proportion equation
   15,574.43 : 21,492.72 = 11,105.96 : x
2. Step 2: Convert to fraction form
   15,574.43/21,492.72 = 11,105.96/x
3. Step 3: Cross multiply
   15,574.43x = 21,492.72 × 11,105.96
4. Step 4: Simplify right side
   15,574.43x = 238,697,181.15
5. Step 5: Solve for x
   x = 238,697,181.15/15,574.43
6. Step 6: Final answer
   x = 15,326.23