Finding the Fourth Proportional to 89,760.17, 123,868.35 and 49,474.01

Step by Step Solution

1. Step 1: Write the proportion equation
   89,760.17 : 123,868.35 = 49,474.01 : x
2. Step 2: Convert to fraction form
   89,760.17/123,868.35 = 49,474.01/x
3. Step 3: Cross multiply
   89,760.17x = 123,868.35 × 49,474.01
4. Step 4: Simplify right side
   89,760.17x = 6,128,263,986.58
5. Step 5: Solve for x
   x = 6,128,263,986.58/89,760.17
6. Step 6: Final answer
   x = 68,273.76