Finding the Fourth Proportional to 37,123.36, 55,679.38 and 12,166

Step by Step Solution

1. Step 1: Write the proportion equation
   37,123.36 : 55,679.38 = 12,166 : x
2. Step 2: Convert to fraction form
   37,123.36/55,679.38 = 12,166/x
3. Step 3: Cross multiply
   37,123.36x = 55,679.38 × 12,166
4. Step 4: Simplify right side
   37,123.36x = 677,395,337.08
5. Step 5: Solve for x
   x = 677,395,337.08/37,123.36
6. Step 6: Final answer
   x = 18,247.15