Finding the Fourth Proportional to 12,376.79, 18,560.61 and 5,357.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,376.79 : 18,560.61 = 5,357.82 : x
2. Step 2: Convert to fraction form
   12,376.79/18,560.61 = 5,357.82/x
3. Step 3: Cross multiply
   12,376.79x = 18,560.61 × 5,357.82
4. Step 4: Simplify right side
   12,376.79x = 99,444,380.68
5. Step 5: Solve for x
   x = 99,444,380.68/12,376.79
6. Step 6: Final answer
   x = 8,034.75