Finding the Fourth Proportional to 37,357, 51,553.47 and 20,590

Step by Step Solution

1. Step 1: Write the proportion equation
   37,357 : 51,553.47 = 20,590 : x
2. Step 2: Convert to fraction form
   37,357/51,553.47 = 20,590/x
3. Step 3: Cross multiply
   37,357x = 51,553.47 × 20,590
4. Step 4: Simplify right side
   37,357x = 1,061,485,947.30
5. Step 5: Solve for x
   x = 1,061,485,947.30/37,357
6. Step 6: Final answer
   x = 28,414.65