Finding the Fourth Proportional to 89,212.63, 123,113.42 and 49,468.63

Step by Step Solution

1. Step 1: Write the proportion equation
   89,212.63 : 123,113.42 = 49,468.63 : x
2. Step 2: Convert to fraction form
   89,212.63/123,113.42 = 49,468.63/x
3. Step 3: Cross multiply
   89,212.63x = 123,113.42 × 49,468.63
4. Step 4: Simplify right side
   89,212.63x = 6,090,252,222.01
5. Step 5: Solve for x
   x = 6,090,252,222.01/89,212.63
6. Step 6: Final answer
   x = 68,266.70