Finding the Fourth Proportional to 65,960.21, 91,026.84 and 37,665.29

Step by Step Solution

1. Step 1: Write the proportion equation
   65,960.21 : 91,026.84 = 37,665.29 : x
2. Step 2: Convert to fraction form
   65,960.21/91,026.84 = 37,665.29/x
3. Step 3: Cross multiply
   65,960.21x = 91,026.84 × 37,665.29
4. Step 4: Simplify right side
   65,960.21x = 3,428,551,871.25
5. Step 5: Solve for x
   x = 3,428,551,871.25/65,960.21
6. Step 6: Final answer
   x = 51,979.10