Finding the Fourth Proportional to 50,570.43, 69,785.88 and 27,909.12

Step by Step Solution

1. Step 1: Write the proportion equation
   50,570.43 : 69,785.88 = 27,909.12 : x
2. Step 2: Convert to fraction form
   50,570.43/69,785.88 = 27,909.12/x
3. Step 3: Cross multiply
   50,570.43x = 69,785.88 × 27,909.12
4. Step 4: Simplify right side
   50,570.43x = 1,947,662,499.23
5. Step 5: Solve for x
   x = 1,947,662,499.23/50,570.43
6. Step 6: Final answer
   x = 38,513.86