Finding the Fourth Proportional to 12,003.48, 18,008.56 and 3,683.77

Step by Step Solution

1. Step 1: Write the proportion equation
   12,003.48 : 18,008.56 = 3,683.77 : x
2. Step 2: Convert to fraction form
   12,003.48/18,008.56 = 3,683.77/x
3. Step 3: Cross multiply
   12,003.48x = 18,008.56 × 3,683.77
4. Step 4: Simplify right side
   12,003.48x = 66,339,393.07
5. Step 5: Solve for x
   x = 66,339,393.07/12,003.48
6. Step 6: Final answer
   x = 5,526.68