Finding the Fourth Proportional to 85,361.52, 128,105.34 and 41,013.96

Step by Step Solution

1. Step 1: Write the proportion equation
   85,361.52 : 128,105.34 = 41,013.96 : x
2. Step 2: Convert to fraction form
   85,361.52/128,105.34 = 41,013.96/x
3. Step 3: Cross multiply
   85,361.52x = 128,105.34 × 41,013.96
4. Step 4: Simplify right side
   85,361.52x = 5,254,107,290.55
5. Step 5: Solve for x
   x = 5,254,107,290.55/85,361.52
6. Step 6: Final answer
   x = 61,551.24