Finding the Fourth Proportional to 131,218.22, 181,080.69 and 73,857.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,218.22 : 181,080.69 = 73,857.50 : x
2. Step 2: Convert to fraction form
   131,218.22/181,080.69 = 73,857.50/x
3. Step 3: Cross multiply
   131,218.22x = 181,080.69 × 73,857.50
4. Step 4: Simplify right side
   131,218.22x = 13,374,167,061.68
5. Step 5: Solve for x
   x = 13,374,167,061.68/131,218.22
6. Step 6: Final answer
   x = 101,923.09