Finding the Fourth Proportional to 250,086.94, 345,120.00 and 136,909.69

Step by Step Solution

1. Step 1: Write the proportion equation
   250,086.94 : 345,120.00 = 136,909.69 : x
2. Step 2: Convert to fraction form
   250,086.94/345,120.00 = 136,909.69/x
3. Step 3: Cross multiply
   250,086.94x = 345,120.00 × 136,909.69
4. Step 4: Simplify right side
   250,086.94x = 47,250,270,836.59
5. Step 5: Solve for x
   x = 47,250,270,836.59/250,086.94
6. Step 6: Final answer
   x = 188,935.38