Finding the Fourth Proportional to 37,588.50, 51,872.24 and 20,821.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,588.50 : 51,872.24 = 20,821.50 : x
2. Step 2: Convert to fraction form
   37,588.50/51,872.24 = 20,821.50/x
3. Step 3: Cross multiply
   37,588.50x = 51,872.24 × 20,821.50
4. Step 4: Simplify right side
   37,588.50x = 1,080,057,897.21
5. Step 5: Solve for x
   x = 1,080,057,897.21/37,588.50
6. Step 6: Final answer
   x = 28,733.73