Finding the Fourth Proportional to 89,468.28, 123,468.99 and 49,185.12

Step by Step Solution

1. Step 1: Write the proportion equation
   89,468.28 : 123,468.99 = 49,185.12 : x
2. Step 2: Convert to fraction form
   89,468.28/123,468.99 = 49,185.12/x
3. Step 3: Cross multiply
   89,468.28x = 123,468.99 × 49,185.12
4. Step 4: Simplify right side
   89,468.28x = 6,072,837,089.43
5. Step 5: Solve for x
   x = 6,072,837,089.43/89,468.28
6. Step 6: Final answer
   x = 67,876.98