Finding the Fourth Proportional to 85,562.34, 128,236.59 and 41,177.18

Step by Step Solution

1. Step 1: Write the proportion equation
   85,562.34 : 128,236.59 = 41,177.18 : x
2. Step 2: Convert to fraction form
   85,562.34/128,236.59 = 41,177.18/x
3. Step 3: Cross multiply
   85,562.34x = 128,236.59 × 41,177.18
4. Step 4: Simplify right side
   85,562.34x = 5,280,420,507.83
5. Step 5: Solve for x
   x = 5,280,420,507.83/85,562.34
6. Step 6: Final answer
   x = 61,714.31