Finding the Fourth Proportional to 16,516.64, 24,784.78 and 5,985.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,516.64 : 24,784.78 = 5,985.63 : x
2. Step 2: Convert to fraction form
   16,516.64/24,784.78 = 5,985.63/x
3. Step 3: Cross multiply
   16,516.64x = 24,784.78 × 5,985.63
4. Step 4: Simplify right side
   16,516.64x = 148,352,368.86
5. Step 5: Solve for x
   x = 148,352,368.86/16,516.64
6. Step 6: Final answer
   x = 8,982.00