Finding the Fourth Proportional to 48,587.46, 67,050.96 and 30,690.48

Step by Step Solution

1. Step 1: Write the proportion equation
   48,587.46 : 67,050.96 = 30,690.48 : x
2. Step 2: Convert to fraction form
   48,587.46/67,050.96 = 30,690.48/x
3. Step 3: Cross multiply
   48,587.46x = 67,050.96 × 30,690.48
4. Step 4: Simplify right side
   48,587.46x = 2,057,826,146.86
5. Step 5: Solve for x
   x = 2,057,826,146.86/48,587.46
6. Step 6: Final answer
   x = 42,353.03