Finding the Fourth Proportional to 85,692.18, 128,536.89 and 23,362.68

Step by Step Solution

1. Step 1: Write the proportion equation
   85,692.18 : 128,536.89 = 23,362.68 : x
2. Step 2: Convert to fraction form
   85,692.18/128,536.89 = 23,362.68/x
3. Step 3: Cross multiply
   85,692.18x = 128,536.89 × 23,362.68
4. Step 4: Simplify right side
   85,692.18x = 3,002,966,229.27
5. Step 5: Solve for x
   x = 3,002,966,229.27/85,692.18
6. Step 6: Final answer
   x = 35,043.64