Finding the Fourth Proportional to 89,484.54, 123,488.72 and 49,198.98

Step by Step Solution

1. Step 1: Write the proportion equation
   89,484.54 : 123,488.72 = 49,198.98 : x
2. Step 2: Convert to fraction form
   89,484.54/123,488.72 = 49,198.98/x
3. Step 3: Cross multiply
   89,484.54x = 123,488.72 × 49,198.98
4. Step 4: Simplify right side
   89,484.54x = 6,075,519,065.51
5. Step 5: Solve for x
   x = 6,075,519,065.51/89,484.54
6. Step 6: Final answer
   x = 67,894.62