Finding the Fourth Proportional to 188,401.30, 259,993.71 and 103,523.83

Step by Step Solution

1. Step 1: Write the proportion equation
   188,401.30 : 259,993.71 = 103,523.83 : x
2. Step 2: Convert to fraction form
   188,401.30/259,993.71 = 103,523.83/x
3. Step 3: Cross multiply
   188,401.30x = 259,993.71 × 103,523.83
4. Step 4: Simplify right side
   188,401.30x = 26,915,543,985.13
5. Step 5: Solve for x
   x = 26,915,543,985.13/188,401.30
6. Step 6: Final answer
   x = 142,862.84