Finding the Fourth Proportional to 16,920.18, 25,374.78 and 5,824.14

Step by Step Solution

1. Step 1: Write the proportion equation
   16,920.18 : 25,374.78 = 5,824.14 : x
2. Step 2: Convert to fraction form
   16,920.18/25,374.78 = 5,824.14/x
3. Step 3: Cross multiply
   16,920.18x = 25,374.78 × 5,824.14
4. Step 4: Simplify right side
   16,920.18x = 147,786,271.19
5. Step 5: Solve for x
   x = 147,786,271.19/16,920.18
6. Step 6: Final answer
   x = 8,734.32