Finding the Fourth Proportional to 65,987.06, 91,062.16 and 35,772.37

Step by Step Solution

1. Step 1: Write the proportion equation
   65,987.06 : 91,062.16 = 35,772.37 : x
2. Step 2: Convert to fraction form
   65,987.06/91,062.16 = 35,772.37/x
3. Step 3: Cross multiply
   65,987.06x = 91,062.16 × 35,772.37
4. Step 4: Simplify right side
   65,987.06x = 3,257,508,963.43
5. Step 5: Solve for x
   x = 3,257,508,963.43/65,987.06
6. Step 6: Final answer
   x = 49,365.88