Finding the Fourth Proportional to 188,116.72, 259,604.24 and 103,241.68

Step by Step Solution

1. Step 1: Write the proportion equation
   188,116.72 : 259,604.24 = 103,241.68 : x
2. Step 2: Convert to fraction form
   188,116.72/259,604.24 = 103,241.68/x
3. Step 3: Cross multiply
   188,116.72x = 259,604.24 × 103,241.68
4. Step 4: Simplify right side
   188,116.72x = 26,801,977,872.72
5. Step 5: Solve for x
   x = 26,801,977,872.72/188,116.72
6. Step 6: Final answer
   x = 142,475.26