Finding the Fourth Proportional to 65,989.81, 91,064.82 and 37,309.00

Step by Step Solution

1. Step 1: Write the proportion equation
   65,989.81 : 91,064.82 = 37,309.00 : x
2. Step 2: Convert to fraction form
   65,989.81/91,064.82 = 37,309.00/x
3. Step 3: Cross multiply
   65,989.81x = 91,064.82 × 37,309.00
4. Step 4: Simplify right side
   65,989.81x = 3,397,536,914.06
5. Step 5: Solve for x
   x = 3,397,536,914.06/65,989.81
6. Step 6: Final answer
   x = 51,485.78