Finding the Fourth Proportional to 12,380.38, 18,573.67 and 5,798.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,380.38 : 18,573.67 = 5,798.89 : x
2. Step 2: Convert to fraction form
   12,380.38/18,573.67 = 5,798.89/x
3. Step 3: Cross multiply
   12,380.38x = 18,573.67 × 5,798.89
4. Step 4: Simplify right side
   12,380.38x = 107,706,699.69
5. Step 5: Solve for x
   x = 107,706,699.69/12,380.38
6. Step 6: Final answer
   x = 8,699.79