Finding the Fourth Proportional to 188,131.98, 259,613.46 and 103,250.46

Step by Step Solution

1. Step 1: Write the proportion equation
   188,131.98 : 259,613.46 = 103,250.46 : x
2. Step 2: Convert to fraction form
   188,131.98/259,613.46 = 103,250.46/x
3. Step 3: Cross multiply
   188,131.98x = 259,613.46 × 103,250.46
4. Step 4: Simplify right side
   188,131.98x = 26,805,209,167.19
5. Step 5: Solve for x
   x = 26,805,209,167.19/188,131.98
6. Step 6: Final answer
   x = 142,480.88