Finding the Fourth Proportional to 41,737.12, 62,602.52 and 12,155.20

Step by Step Solution

1. Step 1: Write the proportion equation
   41,737.12 : 62,602.52 = 12,155.20 : x
2. Step 2: Convert to fraction form
   41,737.12/62,602.52 = 12,155.20/x
3. Step 3: Cross multiply
   41,737.12x = 62,602.52 × 12,155.20
4. Step 4: Simplify right side
   41,737.12x = 760,946,151.10
5. Step 5: Solve for x
   x = 760,946,151.10/41,737.12
6. Step 6: Final answer
   x = 18,231.88