Finding the Fourth Proportional to 37,739.62, 52,077.72 and 20,743.57

Step by Step Solution

1. Step 1: Write the proportion equation
   37,739.62 : 52,077.72 = 20,743.57 : x
2. Step 2: Convert to fraction form
   37,739.62/52,077.72 = 20,743.57/x
3. Step 3: Cross multiply
   37,739.62x = 52,077.72 × 20,743.57
4. Step 4: Simplify right side
   37,739.62x = 1,080,277,830.26
5. Step 5: Solve for x
   x = 1,080,277,830.26/37,739.62
6. Step 6: Final answer
   x = 28,624.50