Finding the Fourth Proportional to 51,928.37, 71,662.55 and 31,784.88

Step by Step Solution

1. Step 1: Write the proportion equation
   51,928.37 : 71,662.55 = 31,784.88 : x
2. Step 2: Convert to fraction form
   51,928.37/71,662.55 = 31,784.88/x
3. Step 3: Cross multiply
   51,928.37x = 71,662.55 × 31,784.88
4. Step 4: Simplify right side
   51,928.37x = 2,277,785,393.32
5. Step 5: Solve for x
   x = 2,277,785,393.32/51,928.37
6. Step 6: Final answer
   x = 43,863.99