Finding the Fourth Proportional to 37,221, 55,835.03 and 12,261.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,221 : 55,835.03 = 12,261.12 : x
2. Step 2: Convert to fraction form
   37,221/55,835.03 = 12,261.12/x
3. Step 3: Cross multiply
   37,221x = 55,835.03 × 12,261.12
4. Step 4: Simplify right side
   37,221x = 684,600,003.03
5. Step 5: Solve for x
   x = 684,600,003.03/37,221
6. Step 6: Final answer
   x = 18,392.84