Finding the Fourth Proportional to 107,719.98, 161,437.41 and 82,664.28

Step by Step Solution

1. Step 1: Write the proportion equation
   107,719.98 : 161,437.41 = 82,664.28 : x
2. Step 2: Convert to fraction form
   107,719.98/161,437.41 = 82,664.28/x
3. Step 3: Cross multiply
   107,719.98x = 161,437.41 × 82,664.28
4. Step 4: Simplify right side
   107,719.98x = 13,345,107,262.71
5. Step 5: Solve for x
   x = 13,345,107,262.71/107,719.98
6. Step 6: Final answer
   x = 123,887.02