Finding the Fourth Proportional to 37,788.10, 52,146.74 and 21,872.24

Step by Step Solution

1. Step 1: Write the proportion equation
   37,788.10 : 52,146.74 = 21,872.24 : x
2. Step 2: Convert to fraction form
   37,788.10/52,146.74 = 21,872.24/x
3. Step 3: Cross multiply
   37,788.10x = 52,146.74 × 21,872.24
4. Step 4: Simplify right side
   37,788.10x = 1,140,566,012.50
5. Step 5: Solve for x
   x = 1,140,566,012.50/37,788.10
6. Step 6: Final answer
   x = 30,183.21