Finding the Fourth Proportional to 89,333.78, 123,280.82 and 49,050.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,333.78 : 123,280.82 = 49,050.12 : x
2. Step 2: Convert to fraction form
   89,333.78/123,280.82 = 49,050.12/x
3. Step 3: Cross multiply
   89,333.78x = 123,280.82 × 49,050.12
4. Step 4: Simplify right side
   89,333.78x = 6,046,938,953.39
5. Step 5: Solve for x
   x = 6,046,938,953.39/89,333.78
6. Step 6: Final answer
   x = 67,689.28