Finding the Fourth Proportional to 37,082.72, 51,169.20 and 21,166.16

Step by Step Solution

1. Step 1: Write the proportion equation
   37,082.72 : 51,169.20 = 21,166.16 : x
2. Step 2: Convert to fraction form
   37,082.72/51,169.20 = 21,166.16/x
3. Step 3: Cross multiply
   37,082.72x = 51,169.20 × 21,166.16
4. Step 4: Simplify right side
   37,082.72x = 1,083,055,474.27
5. Step 5: Solve for x
   x = 1,083,055,474.27/37,082.72
6. Step 6: Final answer
   x = 29,206.47