Finding the Fourth Proportional to 89,269.72, 123,136.11 and 62,402.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,269.72 : 123,136.11 = 62,402.42 : x
2. Step 2: Convert to fraction form
   89,269.72/123,136.11 = 62,402.42/x
3. Step 3: Cross multiply
   89,269.72x = 123,136.11 × 62,402.42
4. Step 4: Simplify right side
   89,269.72x = 7,683,991,253.39
5. Step 5: Solve for x
   x = 7,683,991,253.39/89,269.72
6. Step 6: Final answer
   x = 86,076.13