Finding the Fourth Proportional to 188,111.46, 259,596.99 and 103,236.42

Step by Step Solution

1. Step 1: Write the proportion equation
   188,111.46 : 259,596.99 = 103,236.42 : x
2. Step 2: Convert to fraction form
   188,111.46/259,596.99 = 103,236.42/x
3. Step 3: Cross multiply
   188,111.46x = 259,596.99 × 103,236.42
4. Step 4: Simplify right side
   188,111.46x = 26,799,863,890.38
5. Step 5: Solve for x
   x = 26,799,863,890.38/188,111.46
6. Step 6: Final answer
   x = 142,468.00