Finding the Fourth Proportional to 90,308.38, 135,468.34 and 30,334.42

Step by Step Solution

1. Step 1: Write the proportion equation
   90,308.38 : 135,468.34 = 30,334.42 : x
2. Step 2: Convert to fraction form
   90,308.38/135,468.34 = 30,334.42/x
3. Step 3: Cross multiply
   90,308.38x = 135,468.34 × 30,334.42
4. Step 4: Simplify right side
   90,308.38x = 4,109,353,522.26
5. Step 5: Solve for x
   x = 4,109,353,522.26/90,308.38
6. Step 6: Final answer
   x = 45,503.57