Finding the Fourth Proportional to 89,399.61, 123,373.74 and 49,114.38

Step by Step Solution

1. Step 1: Write the proportion equation
   89,399.61 : 123,373.74 = 49,114.38 : x
2. Step 2: Convert to fraction form
   89,399.61/123,373.74 = 49,114.38/x
3. Step 3: Cross multiply
   89,399.61x = 123,373.74 × 49,114.38
4. Step 4: Simplify right side
   89,399.61x = 6,059,424,893.24
5. Step 5: Solve for x
   x = 6,059,424,893.24/89,399.61
6. Step 6: Final answer
   x = 67,779.10