Finding the Fourth Proportional to 48,827, 67,388.45 and 30,923.67

Step by Step Solution

1. Step 1: Write the proportion equation
   48,827 : 67,388.45 = 30,923.67 : x
2. Step 2: Convert to fraction form
   48,827/67,388.45 = 30,923.67/x
3. Step 3: Cross multiply
   48,827x = 67,388.45 × 30,923.67
4. Step 4: Simplify right side
   48,827x = 2,083,898,189.61
5. Step 5: Solve for x
   x = 2,083,898,189.61/48,827
6. Step 6: Final answer
   x = 42,679.22