Finding the Fourth Proportional to 37,155.48, 51,274.50 and 20,159.72

Step by Step Solution

1. Step 1: Write the proportion equation
   37,155.48 : 51,274.50 = 20,159.72 : x
2. Step 2: Convert to fraction form
   37,155.48/51,274.50 = 20,159.72/x
3. Step 3: Cross multiply
   37,155.48x = 51,274.50 × 20,159.72
4. Step 4: Simplify right side
   37,155.48x = 1,033,679,555.03
5. Step 5: Solve for x
   x = 1,033,679,555.03/37,155.48
6. Step 6: Final answer
   x = 27,820.38