Finding the Fourth Proportional to 89,538.72, 123,566.46 and 49,254

Step by Step Solution

1. Step 1: Write the proportion equation
   89,538.72 : 123,566.46 = 49,254 : x
2. Step 2: Convert to fraction form
   89,538.72/123,566.46 = 49,254/x
3. Step 3: Cross multiply
   89,538.72x = 123,566.46 × 49,254
4. Step 4: Simplify right side
   89,538.72x = 6,086,142,420.84
5. Step 5: Solve for x
   x = 6,086,142,420.84/89,538.72
6. Step 6: Final answer
   x = 67,972.18