Finding the Fourth Proportional to 37,732.64, 52,078.55 and 21,822.21

Step by Step Solution

1. Step 1: Write the proportion equation
   37,732.64 : 52,078.55 = 21,822.21 : x
2. Step 2: Convert to fraction form
   37,732.64/52,078.55 = 21,822.21/x
3. Step 3: Cross multiply
   37,732.64x = 52,078.55 × 21,822.21
4. Step 4: Simplify right side
   37,732.64x = 1,136,468,945.48
5. Step 5: Solve for x
   x = 1,136,468,945.48/37,732.64
6. Step 6: Final answer
   x = 30,118.99