Finding the Fourth Proportional to 16,408.72, 24,607.89 and 5,312.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,408.72 : 24,607.89 = 5,312.84 : x
2. Step 2: Convert to fraction form
   16,408.72/24,607.89 = 5,312.84/x
3. Step 3: Cross multiply
   16,408.72x = 24,607.89 × 5,312.84
4. Step 4: Simplify right side
   16,408.72x = 130,737,782.31
5. Step 5: Solve for x
   x = 130,737,782.31/16,408.72
6. Step 6: Final answer
   x = 7,967.58