Finding the Fourth Proportional to 89,835.24, 123,978.72 and 49,549.08

Step by Step Solution

1. Step 1: Write the proportion equation
   89,835.24 : 123,978.72 = 49,549.08 : x
2. Step 2: Convert to fraction form
   89,835.24/123,978.72 = 49,549.08/x
3. Step 3: Cross multiply
   89,835.24x = 123,978.72 × 49,549.08
4. Step 4: Simplify right side
   89,835.24x = 6,143,031,515.58
5. Step 5: Solve for x
   x = 6,143,031,515.58/89,835.24
6. Step 6: Final answer
   x = 68,381.09