Finding the Fourth Proportional to 37,591.28, 51,872.92 and 21,665.04

Step by Step Solution

1. Step 1: Write the proportion equation
   37,591.28 : 51,872.92 = 21,665.04 : x
2. Step 2: Convert to fraction form
   37,591.28/51,872.92 = 21,665.04/x
3. Step 3: Cross multiply
   37,591.28x = 51,872.92 × 21,665.04
4. Step 4: Simplify right side
   37,591.28x = 1,123,828,886.72
5. Step 5: Solve for x
   x = 1,123,828,886.72/37,591.28
6. Step 6: Final answer
   x = 29,896.00