Finding the Fourth Proportional to 89,468.87, 123,467.43 and 49,185.21

Step by Step Solution

1. Step 1: Write the proportion equation
   89,468.87 : 123,467.43 = 49,185.21 : x
2. Step 2: Convert to fraction form
   89,468.87/123,467.43 = 49,185.21/x
3. Step 3: Cross multiply
   89,468.87x = 123,467.43 × 49,185.21
4. Step 4: Simplify right side
   89,468.87x = 6,072,771,472.71
5. Step 5: Solve for x
   x = 6,072,771,472.71/89,468.87
6. Step 6: Final answer
   x = 67,875.81