Finding the Fourth Proportional to 37,581.24, 51,861.76 and 21,665.36

Step by Step Solution

1. Step 1: Write the proportion equation
   37,581.24 : 51,861.76 = 21,665.36 : x
2. Step 2: Convert to fraction form
   37,581.24/51,861.76 = 21,665.36/x
3. Step 3: Cross multiply
   37,581.24x = 51,861.76 × 21,665.36
4. Step 4: Simplify right side
   37,581.24x = 1,123,603,700.63
5. Step 5: Solve for x
   x = 1,123,603,700.63/37,581.24
6. Step 6: Final answer
   x = 29,897.99