Finding the Fourth Proportional to 17,890.42, 24,688.86 and 11,176.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,890.42 : 24,688.86 = 11,176.12 : x
2. Step 2: Convert to fraction form
   17,890.42/24,688.86 = 11,176.12/x
3. Step 3: Cross multiply
   17,890.42x = 24,688.86 × 11,176.12
4. Step 4: Simplify right side
   17,890.42x = 275,925,662.02
5. Step 5: Solve for x
   x = 275,925,662.02/17,890.42
6. Step 6: Final answer
   x = 15,423.10