Finding the Fourth Proportional to 65,997.27, 91,070.79 and 37,319.86

Step by Step Solution

1. Step 1: Write the proportion equation
   65,997.27 : 91,070.79 = 37,319.86 : x
2. Step 2: Convert to fraction form
   65,997.27/91,070.79 = 37,319.86/x
3. Step 3: Cross multiply
   65,997.27x = 91,070.79 × 37,319.86
4. Step 4: Simplify right side
   65,997.27x = 3,398,749,039.59
5. Step 5: Solve for x
   x = 3,398,749,039.59/65,997.27
6. Step 6: Final answer
   x = 51,498.33