Finding the Fourth Proportional to 89,480.64, 123,483.36 and 49,197

Step by Step Solution

1. Step 1: Write the proportion equation
   89,480.64 : 123,483.36 = 49,197 : x
2. Step 2: Convert to fraction form
   89,480.64/123,483.36 = 49,197/x
3. Step 3: Cross multiply
   89,480.64x = 123,483.36 × 49,197
4. Step 4: Simplify right side
   89,480.64x = 6,075,010,861.92
5. Step 5: Solve for x
   x = 6,075,010,861.92/89,480.64
6. Step 6: Final answer
   x = 67,891.90