Finding the Fourth Proportional to 136,422.84, 204,566.83 and 82,443.16

Step by Step Solution

1. Step 1: Write the proportion equation
   136,422.84 : 204,566.83 = 82,443.16 : x
2. Step 2: Convert to fraction form
   136,422.84/204,566.83 = 82,443.16/x
3. Step 3: Cross multiply
   136,422.84x = 204,566.83 × 82,443.16
4. Step 4: Simplify right side
   136,422.84x = 16,865,135,178.86
5. Step 5: Solve for x
   x = 16,865,135,178.86/136,422.84
6. Step 6: Final answer
   x = 123,623.99