Finding the Fourth Proportional to 12,410.72, 18,620.40 and 5,841.92

Step by Step Solution

1. Step 1: Write the proportion equation
   12,410.72 : 18,620.40 = 5,841.92 : x
2. Step 2: Convert to fraction form
   12,410.72/18,620.40 = 5,841.92/x
3. Step 3: Cross multiply
   12,410.72x = 18,620.40 × 5,841.92
4. Step 4: Simplify right side
   12,410.72x = 108,778,887.17
5. Step 5: Solve for x
   x = 108,778,887.17/12,410.72
6. Step 6: Final answer
   x = 8,764.91