Finding the Fourth Proportional to 28,665.56, 43,008.42 and 8,949.08

Step by Step Solution

1. Step 1: Write the proportion equation
   28,665.56 : 43,008.42 = 8,949.08 : x
2. Step 2: Convert to fraction form
   28,665.56/43,008.42 = 8,949.08/x
3. Step 3: Cross multiply
   28,665.56x = 43,008.42 × 8,949.08
4. Step 4: Simplify right side
   28,665.56x = 384,885,791.25
5. Step 5: Solve for x
   x = 384,885,791.25/28,665.56
6. Step 6: Final answer
   x = 13,426.77