Finding the Fourth Proportional to 85,176.23, 117,541.72 and 49,369.57

Step by Step Solution

1. Step 1: Write the proportion equation
   85,176.23 : 117,541.72 = 49,369.57 : x
2. Step 2: Convert to fraction form
   85,176.23/117,541.72 = 49,369.57/x
3. Step 3: Cross multiply
   85,176.23x = 117,541.72 × 49,369.57
4. Step 4: Simplify right side
   85,176.23x = 5,802,984,173.46
5. Step 5: Solve for x
   x = 5,802,984,173.46/85,176.23
6. Step 6: Final answer
   x = 68,129.15