Finding the Fourth Proportional to 65,499.24, 90,388.94 and 35,691.24

Step by Step Solution

1. Step 1: Write the proportion equation
   65,499.24 : 90,388.94 = 35,691.24 : x
2. Step 2: Convert to fraction form
   65,499.24/90,388.94 = 35,691.24/x
3. Step 3: Cross multiply
   65,499.24x = 90,388.94 × 35,691.24
4. Step 4: Simplify right side
   65,499.24x = 3,226,093,172.43
5. Step 5: Solve for x
   x = 3,226,093,172.43/65,499.24
6. Step 6: Final answer
   x = 49,253.90