Finding the Fourth Proportional to 65,317.62, 90,141.89 and 36,646.36

Step by Step Solution

1. Step 1: Write the proportion equation
   65,317.62 : 90,141.89 = 36,646.36 : x
2. Step 2: Convert to fraction form
   65,317.62/90,141.89 = 36,646.36/x
3. Step 3: Cross multiply
   65,317.62x = 90,141.89 × 36,646.36
4. Step 4: Simplify right side
   65,317.62x = 3,303,372,152.02
5. Step 5: Solve for x
   x = 3,303,372,152.02/65,317.62
6. Step 6: Final answer
   x = 50,573.98