Finding the Fourth Proportional to 89,782.84, 123,901.28 and 49,498.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,782.84 : 123,901.28 = 49,498.05 : x
2. Step 2: Convert to fraction form
   89,782.84/123,901.28 = 49,498.05/x
3. Step 3: Cross multiply
   89,782.84x = 123,901.28 × 49,498.05
4. Step 4: Simplify right side
   89,782.84x = 6,132,871,371.03
5. Step 5: Solve for x
   x = 6,132,871,371.03/89,782.84
6. Step 6: Final answer
   x = 68,307.83