Finding the Fourth Proportional to 37,114.16, 55,680.60 and 10,821.20

Step by Step Solution

1. Step 1: Write the proportion equation
   37,114.16 : 55,680.60 = 10,821.20 : x
2. Step 2: Convert to fraction form
   37,114.16/55,680.60 = 10,821.20/x
3. Step 3: Cross multiply
   37,114.16x = 55,680.60 × 10,821.20
4. Step 4: Simplify right side
   37,114.16x = 602,530,908.72
5. Step 5: Solve for x
   x = 602,530,908.72/37,114.16
6. Step 6: Final answer
   x = 16,234.53