Finding the Fourth Proportional to 9,979.56, 14,971.50 and 3,739.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,979.56 : 14,971.50 = 3,739.32 : x
2. Step 2: Convert to fraction form
   9,979.56/14,971.50 = 3,739.32/x
3. Step 3: Cross multiply
   9,979.56x = 14,971.50 × 3,739.32
4. Step 4: Simplify right side
   9,979.56x = 55,983,229.38
5. Step 5: Solve for x
   x = 55,983,229.38/9,979.56
6. Step 6: Final answer
   x = 5,609.79