Finding the Fourth Proportional to 65,766.42, 90,766.55 and 37,091.97

Step by Step Solution

1. Step 1: Write the proportion equation
   65,766.42 : 90,766.55 = 37,091.97 : x
2. Step 2: Convert to fraction form
   65,766.42/90,766.55 = 37,091.97/x
3. Step 3: Cross multiply
   65,766.42x = 90,766.55 × 37,091.97
4. Step 4: Simplify right side
   65,766.42x = 3,366,709,737.23
5. Step 5: Solve for x
   x = 3,366,709,737.23/65,766.42
6. Step 6: Final answer
   x = 51,191.93