Finding the Fourth Proportional to 188,902.90, 283,222.83 and 83,664.82

Step by Step Solution

1. Step 1: Write the proportion equation
   188,902.90 : 283,222.83 = 83,664.82 : x
2. Step 2: Convert to fraction form
   188,902.90/283,222.83 = 83,664.82/x
3. Step 3: Cross multiply
   188,902.90x = 283,222.83 × 83,664.82
4. Step 4: Simplify right side
   188,902.90x = 23,695,787,091.84
5. Step 5: Solve for x
   x = 23,695,787,091.84/188,902.90
6. Step 6: Final answer
   x = 125,438.98