Finding the Fourth Proportional to 69,458.56, 103,960.62 and 37,789.60

Step by Step Solution

1. Step 1: Write the proportion equation
   69,458.56 : 103,960.62 = 37,789.60 : x
2. Step 2: Convert to fraction form
   69,458.56/103,960.62 = 37,789.60/x
3. Step 3: Cross multiply
   69,458.56x = 103,960.62 × 37,789.60
4. Step 4: Simplify right side
   69,458.56x = 3,928,630,245.55
5. Step 5: Solve for x
   x = 3,928,630,245.55/69,458.56
6. Step 6: Final answer
   x = 56,560.78