Finding the Fourth Proportional to 37,339.72, 51,528.60 and 20,343.91

Step by Step Solution

1. Step 1: Write the proportion equation
   37,339.72 : 51,528.60 = 20,343.91 : x
2. Step 2: Convert to fraction form
   37,339.72/51,528.60 = 20,343.91/x
3. Step 3: Cross multiply
   37,339.72x = 51,528.60 × 20,343.91
4. Step 4: Simplify right side
   37,339.72x = 1,048,293,200.83
5. Step 5: Solve for x
   x = 1,048,293,200.83/37,339.72
6. Step 6: Final answer
   x = 28,074.48