Finding the Fourth Proportional to 16,012.31, 24,017.51 and 4,919.10

Step by Step Solution

1. Step 1: Write the proportion equation
   16,012.31 : 24,017.51 = 4,919.10 : x
2. Step 2: Convert to fraction form
   16,012.31/24,017.51 = 4,919.10/x
3. Step 3: Cross multiply
   16,012.31x = 24,017.51 × 4,919.10
4. Step 4: Simplify right side
   16,012.31x = 118,144,508.85
5. Step 5: Solve for x
   x = 118,144,508.85/16,012.31
6. Step 6: Final answer
   x = 7,378.36