Finding the Fourth Proportional to 67,868.33, 101,761.48 and 30,421.42

Step by Step Solution

1. Step 1: Write the proportion equation
   67,868.33 : 101,761.48 = 30,421.42 : x
2. Step 2: Convert to fraction form
   67,868.33/101,761.48 = 30,421.42/x
3. Step 3: Cross multiply
   67,868.33x = 101,761.48 × 30,421.42
4. Step 4: Simplify right side
   67,868.33x = 3,095,728,722.90
5. Step 5: Solve for x
   x = 3,095,728,722.90/67,868.33
6. Step 6: Final answer
   x = 45,613.75