Finding the Fourth Proportional to 16,411.86, 24,621.47 and 4,724.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,411.86 : 24,621.47 = 4,724.18 : x
2. Step 2: Convert to fraction form
   16,411.86/24,621.47 = 4,724.18/x
3. Step 3: Cross multiply
   16,411.86x = 24,621.47 × 4,724.18
4. Step 4: Simplify right side
   16,411.86x = 116,316,109.42
5. Step 5: Solve for x
   x = 116,316,109.42/16,411.86
6. Step 6: Final answer
   x = 7,087.32