Finding the Fourth Proportional to 65,991.06, 91,066.55 and 37,310.24

Step by Step Solution

1. Step 1: Write the proportion equation
   65,991.06 : 91,066.55 = 37,310.24 : x
2. Step 2: Convert to fraction form
   65,991.06/91,066.55 = 37,310.24/x
3. Step 3: Cross multiply
   65,991.06x = 91,066.55 × 37,310.24
4. Step 4: Simplify right side
   65,991.06x = 3,397,714,877.59
5. Step 5: Solve for x
   x = 3,397,714,877.59/65,991.06
6. Step 6: Final answer
   x = 51,487.50