Finding the Fourth Proportional to 65,176.62, 89,951.31 and 39,697.95

Step by Step Solution

1. Step 1: Write the proportion equation
   65,176.62 : 89,951.31 = 39,697.95 : x
2. Step 2: Convert to fraction form
   65,176.62/89,951.31 = 39,697.95/x
3. Step 3: Cross multiply
   65,176.62x = 89,951.31 × 39,697.95
4. Step 4: Simplify right side
   65,176.62x = 3,570,882,606.81
5. Step 5: Solve for x
   x = 3,570,882,606.81/65,176.62
6. Step 6: Final answer
   x = 54,787.78