Finding the Fourth Proportional to 89,484.84, 123,489.91 and 49,198.89

Step by Step Solution

1. Step 1: Write the proportion equation
   89,484.84 : 123,489.91 = 49,198.89 : x
2. Step 2: Convert to fraction form
   89,484.84/123,489.91 = 49,198.89/x
3. Step 3: Cross multiply
   89,484.84x = 123,489.91 × 49,198.89
4. Step 4: Simplify right side
   89,484.84x = 6,075,566,498.20
5. Step 5: Solve for x
   x = 6,075,566,498.20/89,484.84
6. Step 6: Final answer
   x = 67,894.92