Finding the Fourth Proportional to 17,477.56, 24,126.42 and 16,561.45

Step by Step Solution

1. Step 1: Write the proportion equation
   17,477.56 : 24,126.42 = 16,561.45 : x
2. Step 2: Convert to fraction form
   17,477.56/24,126.42 = 16,561.45/x
3. Step 3: Cross multiply
   17,477.56x = 24,126.42 × 16,561.45
4. Step 4: Simplify right side
   17,477.56x = 399,568,498.51
5. Step 5: Solve for x
   x = 399,568,498.51/17,477.56
6. Step 6: Final answer
   x = 22,861.80