Finding the Fourth Proportional to 16,081.40, 24,124.43 and 4,988.98

Step by Step Solution

1. Step 1: Write the proportion equation
   16,081.40 : 24,124.43 = 4,988.98 : x
2. Step 2: Convert to fraction form
   16,081.40/24,124.43 = 4,988.98/x
3. Step 3: Cross multiply
   16,081.40x = 24,124.43 × 4,988.98
4. Step 4: Simplify right side
   16,081.40x = 120,356,298.78
5. Step 5: Solve for x
   x = 120,356,298.78/16,081.40
6. Step 6: Final answer
   x = 7,484.19