Finding the Fourth Proportional to 89,587.41, 134,401.92 and 30,423.15

Step by Step Solution

1. Step 1: Write the proportion equation
   89,587.41 : 134,401.92 = 30,423.15 : x
2. Step 2: Convert to fraction form
   89,587.41/134,401.92 = 30,423.15/x
3. Step 3: Cross multiply
   89,587.41x = 134,401.92 × 30,423.15
4. Step 4: Simplify right side
   89,587.41x = 4,088,929,772.45
5. Step 5: Solve for x
   x = 4,088,929,772.45/89,587.41
6. Step 6: Final answer
   x = 45,641.79