Finding the Fourth Proportional to 65,496.24, 90,384.80 and 35,688.24

Step by Step Solution

1. Step 1: Write the proportion equation
   65,496.24 : 90,384.80 = 35,688.24 : x
2. Step 2: Convert to fraction form
   65,496.24/90,384.80 = 35,688.24/x
3. Step 3: Cross multiply
   65,496.24x = 90,384.80 × 35,688.24
4. Step 4: Simplify right side
   65,496.24x = 3,225,674,256.31
5. Step 5: Solve for x
   x = 3,225,674,256.31/65,496.24
6. Step 6: Final answer
   x = 49,249.76