Finding the Fourth Proportional to 107,410.10, 161,115.15 and 82,498.10

Step by Step Solution

1. Step 1: Write the proportion equation
   107,410.10 : 161,115.15 = 82,498.10 : x
2. Step 2: Convert to fraction form
   107,410.10/161,115.15 = 82,498.10/x
3. Step 3: Cross multiply
   107,410.10x = 161,115.15 × 82,498.10
4. Step 4: Simplify right side
   107,410.10x = 13,291,693,756.22
5. Step 5: Solve for x
   x = 13,291,693,756.22/107,410.10
6. Step 6: Final answer
   x = 123,747.15