Finding the Fourth Proportional to 65,943.59, 91,018.62 and 37,665.68

Step by Step Solution

1. Step 1: Write the proportion equation
   65,943.59 : 91,018.62 = 37,665.68 : x
2. Step 2: Convert to fraction form
   65,943.59/91,018.62 = 37,665.68/x
3. Step 3: Cross multiply
   65,943.59x = 91,018.62 × 37,665.68
4. Step 4: Simplify right side
   65,943.59x = 3,428,277,759.87
5. Step 5: Solve for x
   x = 3,428,277,759.87/65,943.59
6. Step 6: Final answer
   x = 51,988.04