Finding the Fourth Proportional to 12,712.54, 17,543.83 and 7,336.62

Step by Step Solution

1. Step 1: Write the proportion equation
   12,712.54 : 17,543.83 = 7,336.62 : x
2. Step 2: Convert to fraction form
   12,712.54/17,543.83 = 7,336.62/x
3. Step 3: Cross multiply
   12,712.54x = 17,543.83 × 7,336.62
4. Step 4: Simplify right side
   12,712.54x = 128,712,388.83
5. Step 5: Solve for x
   x = 128,712,388.83/12,712.54
6. Step 6: Final answer
   x = 10,124.84