Finding the Fourth Proportional to 90,880.82, 136,304.78 and 27,685.82

Step by Step Solution

1. Step 1: Write the proportion equation
   90,880.82 : 136,304.78 = 27,685.82 : x
2. Step 2: Convert to fraction form
   90,880.82/136,304.78 = 27,685.82/x
3. Step 3: Cross multiply
   90,880.82x = 136,304.78 × 27,685.82
4. Step 4: Simplify right side
   90,880.82x = 3,773,709,604.22
5. Step 5: Solve for x
   x = 3,773,709,604.22/90,880.82
6. Step 6: Final answer
   x = 41,523.72