Finding the Fourth Proportional to 89,493.72, 123,501.58 and 49,211.60

Step by Step Solution

1. Step 1: Write the proportion equation
   89,493.72 : 123,501.58 = 49,211.60 : x
2. Step 2: Convert to fraction form
   89,493.72/123,501.58 = 49,211.60/x
3. Step 3: Cross multiply
   89,493.72x = 123,501.58 × 49,211.60
4. Step 4: Simplify right side
   89,493.72x = 6,077,710,354.33
5. Step 5: Solve for x
   x = 6,077,710,354.33/89,493.72
6. Step 6: Final answer
   x = 67,912.14