Finding the Fourth Proportional to 89,204.21, 123,103.50 and 48,915.57

Step by Step Solution

1. Step 1: Write the proportion equation
   89,204.21 : 123,103.50 = 48,915.57 : x
2. Step 2: Convert to fraction form
   89,204.21/123,103.50 = 48,915.57/x
3. Step 3: Cross multiply
   89,204.21x = 123,103.50 × 48,915.57
4. Step 4: Simplify right side
   89,204.21x = 6,021,678,562.42
5. Step 5: Solve for x
   x = 6,021,678,562.42/89,204.21
6. Step 6: Final answer
   x = 67,504.42