Finding the Fourth Proportional to 12,280.83, 18,410.30 and 5,703.43

Step by Step Solution

1. Step 1: Write the proportion equation
   12,280.83 : 18,410.30 = 5,703.43 : x
2. Step 2: Convert to fraction form
   12,280.83/18,410.30 = 5,703.43/x
3. Step 3: Cross multiply
   12,280.83x = 18,410.30 × 5,703.43
4. Step 4: Simplify right side
   12,280.83x = 105,001,736.76
5. Step 5: Solve for x
   x = 105,001,736.76/12,280.83
6. Step 6: Final answer
   x = 8,550.06