Finding the Fourth Proportional to 65,478.62, 90,361.78 and 37,184.42

Step by Step Solution

1. Step 1: Write the proportion equation
   65,478.62 : 90,361.78 = 37,184.42 : x
2. Step 2: Convert to fraction form
   65,478.62/90,361.78 = 37,184.42/x
3. Step 3: Cross multiply
   65,478.62x = 90,361.78 × 37,184.42
4. Step 4: Simplify right side
   65,478.62x = 3,360,050,379.47
5. Step 5: Solve for x
   x = 3,360,050,379.47/65,478.62
6. Step 6: Final answer
   x = 51,315.23