Finding the Fourth Proportional to 37,156.08, 51,273.72 and 20,388.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,156.08 : 51,273.72 = 20,388.72 : x
2. Step 2: Convert to fraction form
   37,156.08/51,273.72 = 20,388.72/x
3. Step 3: Cross multiply
   37,156.08x = 51,273.72 × 20,388.72
4. Step 4: Simplify right side
   37,156.08x = 1,045,405,520.44
5. Step 5: Solve for x
   x = 1,045,405,520.44/37,156.08
6. Step 6: Final answer
   x = 28,135.52