Finding the Fourth Proportional to 37,057.62, 55,592.22 and 12,091.90

Step by Step Solution

1. Step 1: Write the proportion equation
   37,057.62 : 55,592.22 = 12,091.90 : x
2. Step 2: Convert to fraction form
   37,057.62/55,592.22 = 12,091.90/x
3. Step 3: Cross multiply
   37,057.62x = 55,592.22 × 12,091.90
4. Step 4: Simplify right side
   37,057.62x = 672,215,565.02
5. Step 5: Solve for x
   x = 672,215,565.02/37,057.62
6. Step 6: Final answer
   x = 18,139.74