Finding the Fourth Proportional to 32,710.68, 49,066.32 and 13,979

Step by Step Solution

1. Step 1: Write the proportion equation
   32,710.68 : 49,066.32 = 13,979 : x
2. Step 2: Convert to fraction form
   32,710.68/49,066.32 = 13,979/x
3. Step 3: Cross multiply
   32,710.68x = 49,066.32 × 13,979
4. Step 4: Simplify right side
   32,710.68x = 685,898,087.28
5. Step 5: Solve for x
   x = 685,898,087.28/32,710.68
6. Step 6: Final answer
   x = 20,968.63