Finding the Fourth Proportional to 67,367.78, 101,051.94 and 20,620.52

Step by Step Solution

1. Step 1: Write the proportion equation
   67,367.78 : 101,051.94 = 20,620.52 : x
2. Step 2: Convert to fraction form
   67,367.78/101,051.94 = 20,620.52/x
3. Step 3: Cross multiply
   67,367.78x = 101,051.94 × 20,620.52
4. Step 4: Simplify right side
   67,367.78x = 2,083,743,549.81
5. Step 5: Solve for x
   x = 2,083,743,549.81/67,367.78
6. Step 6: Final answer
   x = 30,930.86