Finding the Fourth Proportional to 37,787.69, 56,680.27 and 20,291.69

Step by Step Solution

1. Step 1: Write the proportion equation
   37,787.69 : 56,680.27 = 20,291.69 : x
2. Step 2: Convert to fraction form
   37,787.69/56,680.27 = 20,291.69/x
3. Step 3: Cross multiply
   37,787.69x = 56,680.27 × 20,291.69
4. Step 4: Simplify right side
   37,787.69x = 1,150,138,133.83
5. Step 5: Solve for x
   x = 1,150,138,133.83/37,787.69
6. Step 6: Final answer
   x = 30,436.85