Finding the Fourth Proportional to 16,645.30, 24,967.34 and 4,958.21

Step by Step Solution

1. Step 1: Write the proportion equation
   16,645.30 : 24,967.34 = 4,958.21 : x
2. Step 2: Convert to fraction form
   16,645.30/24,967.34 = 4,958.21/x
3. Step 3: Cross multiply
   16,645.30x = 24,967.34 × 4,958.21
4. Step 4: Simplify right side
   16,645.30x = 123,793,371.08
5. Step 5: Solve for x
   x = 123,793,371.08/16,645.30
6. Step 6: Final answer
   x = 7,437.14