Finding the Fourth Proportional to 90,294.72, 135,440.64 and 24,630.72

Step by Step Solution

1. Step 1: Write the proportion equation
   90,294.72 : 135,440.64 = 24,630.72 : x
2. Step 2: Convert to fraction form
   90,294.72/135,440.64 = 24,630.72/x
3. Step 3: Cross multiply
   90,294.72x = 135,440.64 × 24,630.72
4. Step 4: Simplify right side
   90,294.72x = 3,336,000,480.46
5. Step 5: Solve for x
   x = 3,336,000,480.46/90,294.72
6. Step 6: Final answer
   x = 36,945.69