Finding the Fourth Proportional to 37,788.96, 52,138.17 and 21,872.46

Step by Step Solution

1. Step 1: Write the proportion equation
   37,788.96 : 52,138.17 = 21,872.46 : x
2. Step 2: Convert to fraction form
   37,788.96/52,138.17 = 21,872.46/x
3. Step 3: Cross multiply
   37,788.96x = 52,138.17 × 21,872.46
4. Step 4: Simplify right side
   37,788.96x = 1,140,390,037.80
5. Step 5: Solve for x
   x = 1,140,390,037.80/37,788.96
6. Step 6: Final answer
   x = 30,177.86