Finding the Fourth Proportional to 89,915.50, 134,879.73 and 34,511.50

Step by Step Solution

1. Step 1: Write the proportion equation
   89,915.50 : 134,879.73 = 34,511.50 : x
2. Step 2: Convert to fraction form
   89,915.50/134,879.73 = 34,511.50/x
3. Step 3: Cross multiply
   89,915.50x = 134,879.73 × 34,511.50
4. Step 4: Simplify right side
   89,915.50x = 4,654,901,801.90
5. Step 5: Solve for x
   x = 4,654,901,801.90/89,915.50
6. Step 6: Final answer
   x = 51,769.74