Finding the Fourth Proportional to 65,271.72, 90,089.46 and 36,993

Step by Step Solution

1. Step 1: Write the proportion equation
   65,271.72 : 90,089.46 = 36,993 : x
2. Step 2: Convert to fraction form
   65,271.72/90,089.46 = 36,993/x
3. Step 3: Cross multiply
   65,271.72x = 90,089.46 × 36,993
4. Step 4: Simplify right side
   65,271.72x = 3,332,679,393.78
5. Step 5: Solve for x
   x = 3,332,679,393.78/65,271.72
6. Step 6: Final answer
   x = 51,058.55