Finding the Fourth Proportional to 131,020.22, 180,814.31 and 73,677.59

Step by Step Solution

1. Step 1: Write the proportion equation
   131,020.22 : 180,814.31 = 73,677.59 : x
2. Step 2: Convert to fraction form
   131,020.22/180,814.31 = 73,677.59/x
3. Step 3: Cross multiply
   131,020.22x = 180,814.31 × 73,677.59
4. Step 4: Simplify right side
   131,020.22x = 13,321,962,598.31
5. Step 5: Solve for x
   x = 13,321,962,598.31/131,020.22
6. Step 6: Final answer
   x = 101,678.68