Finding the Fourth Proportional to 37,073.60, 55,613.48 and 12,113.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,073.60 : 55,613.48 = 12,113.12 : x
2. Step 2: Convert to fraction form
   37,073.60/55,613.48 = 12,113.12/x
3. Step 3: Cross multiply
   37,073.60x = 55,613.48 × 12,113.12
4. Step 4: Simplify right side
   37,073.60x = 673,652,756.86
5. Step 5: Solve for x
   x = 673,652,756.86/37,073.60
6. Step 6: Final answer
   x = 18,170.69