Finding the Fourth Proportional to 65,977.68, 91,061.38 and 37,683.36

Step by Step Solution

1. Step 1: Write the proportion equation
   65,977.68 : 91,061.38 = 37,683.36 : x
2. Step 2: Convert to fraction form
   65,977.68/91,061.38 = 37,683.36/x
3. Step 3: Cross multiply
   65,977.68x = 91,061.38 × 37,683.36
4. Step 4: Simplify right side
   65,977.68x = 3,431,498,764.64
5. Step 5: Solve for x
   x = 3,431,498,764.64/65,977.68
6. Step 6: Final answer
   x = 52,009.99