Finding the Fourth Proportional to 65,736.72, 98,571.32 and 30,167.42

Step by Step Solution

1. Step 1: Write the proportion equation
   65,736.72 : 98,571.32 = 30,167.42 : x
2. Step 2: Convert to fraction form
   65,736.72/98,571.32 = 30,167.42/x
3. Step 3: Cross multiply
   65,736.72x = 98,571.32 × 30,167.42
4. Step 4: Simplify right side
   65,736.72x = 2,973,642,505.99
5. Step 5: Solve for x
   x = 2,973,642,505.99/65,736.72
6. Step 6: Final answer
   x = 45,235.64