Finding the Fourth Proportional to 85,360.02, 128,103.09 and 41,012.46

Step by Step Solution

1. Step 1: Write the proportion equation
   85,360.02 : 128,103.09 = 41,012.46 : x
2. Step 2: Convert to fraction form
   85,360.02/128,103.09 = 41,012.46/x
3. Step 3: Cross multiply
   85,360.02x = 128,103.09 × 41,012.46
4. Step 4: Simplify right side
   85,360.02x = 5,253,822,854.50
5. Step 5: Solve for x
   x = 5,253,822,854.50/85,360.02
6. Step 6: Final answer
   x = 61,548.99