Finding the Fourth Proportional to 12,377.30, 18,572.34 and 5,804.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,377.30 : 18,572.34 = 5,804.18 : x
2. Step 2: Convert to fraction form
   12,377.30/18,572.34 = 5,804.18/x
3. Step 3: Cross multiply
   12,377.30x = 18,572.34 × 5,804.18
4. Step 4: Simplify right side
   12,377.30x = 107,797,204.38
5. Step 5: Solve for x
   x = 107,797,204.38/12,377.30
6. Step 6: Final answer
   x = 8,709.27