Finding the Fourth Proportional to 16,477.78, 24,699.18 and 5,381.49

Step by Step Solution

1. Step 1: Write the proportion equation
   16,477.78 : 24,699.18 = 5,381.49 : x
2. Step 2: Convert to fraction form
   16,477.78/24,699.18 = 5,381.49/x
3. Step 3: Cross multiply
   16,477.78x = 24,699.18 × 5,381.49
4. Step 4: Simplify right side
   16,477.78x = 132,918,333.78
5. Step 5: Solve for x
   x = 132,918,333.78/16,477.78
6. Step 6: Final answer
   x = 8,066.52