Finding the Fourth Proportional to 214,990.43, 296,680.25 and 123,106.73

Step by Step Solution

1. Step 1: Write the proportion equation
   214,990.43 : 296,680.25 = 123,106.73 : x
2. Step 2: Convert to fraction form
   214,990.43/296,680.25 = 123,106.73/x
3. Step 3: Cross multiply
   214,990.43x = 296,680.25 × 123,106.73
4. Step 4: Simplify right side
   214,990.43x = 36,523,333,334.15
5. Step 5: Solve for x
   x = 36,523,333,334.15/214,990.43
6. Step 6: Final answer
   x = 169,883.53