Finding the Fourth Proportional to 37,086.88, 51,171.60 and 21,166.24

Step by Step Solution

1. Step 1: Write the proportion equation
   37,086.88 : 51,171.60 = 21,166.24 : x
2. Step 2: Convert to fraction form
   37,086.88/51,171.60 = 21,166.24/x
3. Step 3: Cross multiply
   37,086.88x = 51,171.60 × 21,166.24
4. Step 4: Simplify right side
   37,086.88x = 1,083,110,366.78
5. Step 5: Solve for x
   x = 1,083,110,366.78/37,086.88
6. Step 6: Final answer
   x = 29,204.68