Finding the Fourth Proportional to 131,519.45, 181,496.73 and 71,090.10

Step by Step Solution

1. Step 1: Write the proportion equation
   131,519.45 : 181,496.73 = 71,090.10 : x
2. Step 2: Convert to fraction form
   131,519.45/181,496.73 = 71,090.10/x
3. Step 3: Cross multiply
   131,519.45x = 181,496.73 × 71,090.10
4. Step 4: Simplify right side
   131,519.45x = 12,902,619,777.89
5. Step 5: Solve for x
   x = 12,902,619,777.89/131,519.45
6. Step 6: Final answer
   x = 98,104.27