Finding the Fourth Proportional to 65,991, 91,051.80 and 37,311.24

Step by Step Solution

1. Step 1: Write the proportion equation
   65,991 : 91,051.80 = 37,311.24 : x
2. Step 2: Convert to fraction form
   65,991/91,051.80 = 37,311.24/x
3. Step 3: Cross multiply
   65,991x = 91,051.80 × 37,311.24
4. Step 4: Simplify right side
   65,991x = 3,397,255,562.23
5. Step 5: Solve for x
   x = 3,397,255,562.23/65,991
6. Step 6: Final answer
   x = 51,480.59