Finding the Fourth Proportional to 89,298.34, 123,230.93 and 49,013.80

Step by Step Solution

1. Step 1: Write the proportion equation
   89,298.34 : 123,230.93 = 49,013.80 : x
2. Step 2: Convert to fraction form
   89,298.34/123,230.93 = 49,013.80/x
3. Step 3: Cross multiply
   89,298.34x = 123,230.93 × 49,013.80
4. Step 4: Simplify right side
   89,298.34x = 6,040,016,156.83
5. Step 5: Solve for x
   x = 6,040,016,156.83/89,298.34
6. Step 6: Final answer
   x = 67,638.62