Finding the Fourth Proportional to 11,172.50, 16,757.69 and 3,777.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,172.50 : 16,757.69 = 3,777.01 : x
2. Step 2: Convert to fraction form
   11,172.50/16,757.69 = 3,777.01/x
3. Step 3: Cross multiply
   11,172.50x = 16,757.69 × 3,777.01
4. Step 4: Simplify right side
   11,172.50x = 63,293,996.19
5. Step 5: Solve for x
   x = 63,293,996.19/11,172.50
6. Step 6: Final answer
   x = 5,665.16