Finding the Fourth Proportional to 16,072.18, 24,110.56 and 4,979.74

Step by Step Solution

1. Step 1: Write the proportion equation
   16,072.18 : 24,110.56 = 4,979.74 : x
2. Step 2: Convert to fraction form
   16,072.18/24,110.56 = 4,979.74/x
3. Step 3: Cross multiply
   16,072.18x = 24,110.56 × 4,979.74
4. Step 4: Simplify right side
   16,072.18x = 120,064,320.05
5. Step 5: Solve for x
   x = 120,064,320.05/16,072.18
6. Step 6: Final answer
   x = 7,470.32