Finding the Fourth Proportional to 131,518.27, 181,496.56 and 71,090.09

Step by Step Solution

1. Step 1: Write the proportion equation
   131,518.27 : 181,496.56 = 71,090.09 : x
2. Step 2: Convert to fraction form
   131,518.27/181,496.56 = 71,090.09/x
3. Step 3: Cross multiply
   131,518.27x = 181,496.56 × 71,090.09
4. Step 4: Simplify right side
   131,518.27x = 12,902,606,785.09
5. Step 5: Solve for x
   x = 12,902,606,785.09/131,518.27
6. Step 6: Final answer
   x = 98,105.05