Finding the Fourth Proportional to 67,398.51, 101,113.33 and 20,012.55

Step by Step Solution

1. Step 1: Write the proportion equation
   67,398.51 : 101,113.33 = 20,012.55 : x
2. Step 2: Convert to fraction form
   67,398.51/101,113.33 = 20,012.55/x
3. Step 3: Cross multiply
   67,398.51x = 101,113.33 × 20,012.55
4. Step 4: Simplify right side
   67,398.51x = 2,023,535,749.37
5. Step 5: Solve for x
   x = 2,023,535,749.37/67,398.51
6. Step 6: Final answer
   x = 30,023.45