Finding the Fourth Proportional to 37,783.58, 52,142.32 and 20,788.26

Step by Step Solution

1. Step 1: Write the proportion equation
   37,783.58 : 52,142.32 = 20,788.26 : x
2. Step 2: Convert to fraction form
   37,783.58/52,142.32 = 20,788.26/x
3. Step 3: Cross multiply
   37,783.58x = 52,142.32 × 20,788.26
4. Step 4: Simplify right side
   37,783.58x = 1,083,948,105.16
5. Step 5: Solve for x
   x = 1,083,948,105.16/37,783.58
6. Step 6: Final answer
   x = 28,688.34