Finding the Fourth Proportional to 12,737.27, 19,081.05 and 8,341.40

Step by Step Solution

1. Step 1: Write the proportion equation
   12,737.27 : 19,081.05 = 8,341.40 : x
2. Step 2: Convert to fraction form
   12,737.27/19,081.05 = 8,341.40/x
3. Step 3: Cross multiply
   12,737.27x = 19,081.05 × 8,341.40
4. Step 4: Simplify right side
   12,737.27x = 159,162,670.47
5. Step 5: Solve for x
   x = 159,162,670.47/12,737.27
6. Step 6: Final answer
   x = 12,495.82