Finding the Fourth Proportional to 37,077.12, 55,609.78 and 12,116.96

Step by Step Solution

1. Step 1: Write the proportion equation
   37,077.12 : 55,609.78 = 12,116.96 : x
2. Step 2: Convert to fraction form
   37,077.12/55,609.78 = 12,116.96/x
3. Step 3: Cross multiply
   37,077.12x = 55,609.78 × 12,116.96
4. Step 4: Simplify right side
   37,077.12x = 673,821,479.87
5. Step 5: Solve for x
   x = 673,821,479.87/37,077.12
6. Step 6: Final answer
   x = 18,173.51