Finding the Fourth Proportional to 37,297.50, 51,470.55 and 20,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,297.50 : 51,470.55 = 20,530.50 : x
2. Step 2: Convert to fraction form
   37,297.50/51,470.55 = 20,530.50/x
3. Step 3: Cross multiply
   37,297.50x = 51,470.55 × 20,530.50
4. Step 4: Simplify right side
   37,297.50x = 1,056,716,126.78
5. Step 5: Solve for x
   x = 1,056,716,126.78/37,297.50
6. Step 6: Final answer
   x = 28,332.09