Finding the Fourth Proportional to 37,707.50, 52,037.98 and 20,940.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,707.50 : 52,037.98 = 20,940.50 : x
2. Step 2: Convert to fraction form
   37,707.50/52,037.98 = 20,940.50/x
3. Step 3: Cross multiply
   37,707.50x = 52,037.98 × 20,940.50
4. Step 4: Simplify right side
   37,707.50x = 1,089,701,320.19
5. Step 5: Solve for x
   x = 1,089,701,320.19/37,707.50
6. Step 6: Final answer
   x = 28,898.80