Finding the Fourth Proportional to 16,386.30, 24,580.71 and 5,858.55

Step by Step Solution

1. Step 1: Write the proportion equation
   16,386.30 : 24,580.71 = 5,858.55 : x
2. Step 2: Convert to fraction form
   16,386.30/24,580.71 = 5,858.55/x
3. Step 3: Cross multiply
   16,386.30x = 24,580.71 × 5,858.55
4. Step 4: Simplify right side
   16,386.30x = 144,007,318.57
5. Step 5: Solve for x
   x = 144,007,318.57/16,386.30
6. Step 6: Final answer
   x = 8,788.28