Finding the Fourth Proportional to 89,060.98, 122,849.55 and 69,912.04

Step by Step Solution

1. Step 1: Write the proportion equation
   89,060.98 : 122,849.55 = 69,912.04 : x
2. Step 2: Convert to fraction form
   89,060.98/122,849.55 = 69,912.04/x
3. Step 3: Cross multiply
   89,060.98x = 122,849.55 × 69,912.04
4. Step 4: Simplify right side
   89,060.98x = 8,588,662,653.58
5. Step 5: Solve for x
   x = 8,588,662,653.58/89,060.98
6. Step 6: Final answer
   x = 96,435.75