Finding the Fourth Proportional to 69,470.89, 95,869.63 and 37,639.87

Step by Step Solution

1. Step 1: Write the proportion equation
   69,470.89 : 95,869.63 = 37,639.87 : x
2. Step 2: Convert to fraction form
   69,470.89/95,869.63 = 37,639.87/x
3. Step 3: Cross multiply
   69,470.89x = 95,869.63 × 37,639.87
4. Step 4: Simplify right side
   69,470.89x = 3,608,520,410.15
5. Step 5: Solve for x
   x = 3,608,520,410.15/69,470.89
6. Step 6: Final answer
   x = 51,942.91