Finding the Fourth Proportional to 85,561.09, 128,234.71 and 41,175.93

Step by Step Solution

1. Step 1: Write the proportion equation
   85,561.09 : 128,234.71 = 41,175.93 : x
2. Step 2: Convert to fraction form
   85,561.09/128,234.71 = 41,175.93/x
3. Step 3: Cross multiply
   85,561.09x = 128,234.71 × 41,175.93
4. Step 4: Simplify right side
   85,561.09x = 5,280,183,442.53
5. Step 5: Solve for x
   x = 5,280,183,442.53/85,561.09
6. Step 6: Final answer
   x = 61,712.44