Finding the Fourth Proportional to 65,583.42, 90,493.82 and 36,899.10

Step by Step Solution

1. Step 1: Write the proportion equation
   65,583.42 : 90,493.82 = 36,899.10 : x
2. Step 2: Convert to fraction form
   65,583.42/90,493.82 = 36,899.10/x
3. Step 3: Cross multiply
   65,583.42x = 90,493.82 × 36,899.10
4. Step 4: Simplify right side
   65,583.42x = 3,339,140,513.56
5. Step 5: Solve for x
   x = 3,339,140,513.56/65,583.42
6. Step 6: Final answer
   x = 50,914.40