Finding the Fourth Proportional to 65,977.91, 91,061.70 and 37,683.59

Step by Step Solution

1. Step 1: Write the proportion equation
   65,977.91 : 91,061.70 = 37,683.59 : x
2. Step 2: Convert to fraction form
   65,977.91/91,061.70 = 37,683.59/x
3. Step 3: Cross multiply
   65,977.91x = 91,061.70 × 37,683.59
4. Step 4: Simplify right side
   65,977.91x = 3,431,531,995.16
5. Step 5: Solve for x
   x = 3,431,531,995.16/65,977.91
6. Step 6: Final answer
   x = 52,010.32