Finding the Fourth Proportional to 65,576.72, 90,487.32 and 37,281.80

Step by Step Solution

1. Step 1: Write the proportion equation
   65,576.72 : 90,487.32 = 37,281.80 : x
2. Step 2: Convert to fraction form
   65,576.72/90,487.32 = 37,281.80/x
3. Step 3: Cross multiply
   65,576.72x = 90,487.32 × 37,281.80
4. Step 4: Simplify right side
   65,576.72x = 3,373,530,166.78
5. Step 5: Solve for x
   x = 3,373,530,166.78/65,576.72
6. Step 6: Final answer
   x = 51,444.02