Finding the Fourth Proportional to 131,602.37, 181,610.73 and 71,173.08

Step by Step Solution

1. Step 1: Write the proportion equation
   131,602.37 : 181,610.73 = 71,173.08 : x
2. Step 2: Convert to fraction form
   131,602.37/181,610.73 = 71,173.08/x
3. Step 3: Cross multiply
   131,602.37x = 181,610.73 × 71,173.08
4. Step 4: Simplify right side
   131,602.37x = 12,925,795,015.15
5. Step 5: Solve for x
   x = 12,925,795,015.15/131,602.37
6. Step 6: Final answer
   x = 98,218.56