Finding the Fourth Proportional to 90,460.42, 135,672.18 and 34,281.18

Step by Step Solution

1. Step 1: Write the proportion equation
   90,460.42 : 135,672.18 = 34,281.18 : x
2. Step 2: Convert to fraction form
   90,460.42/135,672.18 = 34,281.18/x
3. Step 3: Cross multiply
   90,460.42x = 135,672.18 × 34,281.18
4. Step 4: Simplify right side
   90,460.42x = 4,651,002,423.57
5. Step 5: Solve for x
   x = 4,651,002,423.57/90,460.42
6. Step 6: Final answer
   x = 51,414.78