Finding the Fourth Proportional to 89,602.02, 123,643.53 and 49,309.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89,602.02 : 123,643.53 = 49,309.38 : x
2. Step 2: Convert to fraction form
   89,602.02/123,643.53 = 49,309.38/x
3. Step 3: Cross multiply
   89,602.02x = 123,643.53 × 49,309.38
4. Step 4: Simplify right side
   89,602.02x = 6,096,785,805.31
5. Step 5: Solve for x
   x = 6,096,785,805.31/89,602.02
6. Step 6: Final answer
   x = 68,042.95