Finding the Fourth Proportional to 67,399.57, 101,095.71 and 20,652.58

Step by Step Solution

1. Step 1: Write the proportion equation
   67,399.57 : 101,095.71 = 20,652.58 : x
2. Step 2: Convert to fraction form
   67,399.57/101,095.71 = 20,652.58/x
3. Step 3: Cross multiply
   67,399.57x = 101,095.71 × 20,652.58
4. Step 4: Simplify right side
   67,399.57x = 2,087,887,238.43
5. Step 5: Solve for x
   x = 2,087,887,238.43/67,399.57
6. Step 6: Final answer
   x = 30,977.75