Finding the Fourth Proportional to 65,990.71, 91,051.41 and 37,310.98

Step by Step Solution

1. Step 1: Write the proportion equation
   65,990.71 : 91,051.41 = 37,310.98 : x
2. Step 2: Convert to fraction form
   65,990.71/91,051.41 = 37,310.98/x
3. Step 3: Cross multiply
   65,990.71x = 91,051.41 × 37,310.98
4. Step 4: Simplify right side
   65,990.71x = 3,397,217,337.48
5. Step 5: Solve for x
   x = 3,397,217,337.48/65,990.71
6. Step 6: Final answer
   x = 51,480.24