Finding the Fourth Proportional to 140,705.83, 194,204.21 and 89,706.82

Step by Step Solution

1. Step 1: Write the proportion equation
   140,705.83 : 194,204.21 = 89,706.82 : x
2. Step 2: Convert to fraction form
   140,705.83/194,204.21 = 89,706.82/x
3. Step 3: Cross multiply
   140,705.83x = 194,204.21 × 89,706.82
4. Step 4: Simplify right side
   140,705.83x = 17,421,441,245.90
5. Step 5: Solve for x
   x = 17,421,441,245.90/140,705.83
6. Step 6: Final answer
   x = 123,814.63