Finding the Fourth Proportional to 16,656.90, 24,978.06 and 4,967.79

Step by Step Solution

1. Step 1: Write the proportion equation
   16,656.90 : 24,978.06 = 4,967.79 : x
2. Step 2: Convert to fraction form
   16,656.90/24,978.06 = 4,967.79/x
3. Step 3: Cross multiply
   16,656.90x = 24,978.06 × 4,967.79
4. Step 4: Simplify right side
   16,656.90x = 124,085,756.69
5. Step 5: Solve for x
   x = 124,085,756.69/16,656.90
6. Step 6: Final answer
   x = 7,449.51