Finding the Fourth Proportional to 108,978.51, 162,514.09 and 107,982.01

Step by Step Solution

1. Step 1: Write the proportion equation
   108,978.51 : 162,514.09 = 107,982.01 : x
2. Step 2: Convert to fraction form
   108,978.51/162,514.09 = 107,982.01/x
3. Step 3: Cross multiply
   108,978.51x = 162,514.09 × 107,982.01
4. Step 4: Simplify right side
   108,978.51x = 17,548,596,739.04
5. Step 5: Solve for x
   x = 17,548,596,739.04/108,978.51
6. Step 6: Final answer
   x = 161,028.05