Finding the Fourth Proportional to 85,710.83, 128,649.33 and 41,368.73

Step by Step Solution

1. Step 1: Write the proportion equation
   85,710.83 : 128,649.33 = 41,368.73 : x
2. Step 2: Convert to fraction form
   85,710.83/128,649.33 = 41,368.73/x
3. Step 3: Cross multiply
   85,710.83x = 128,649.33 × 41,368.73
4. Step 4: Simplify right side
   85,710.83x = 5,322,058,754.20
5. Step 5: Solve for x
   x = 5,322,058,754.20/85,710.83
6. Step 6: Final answer
   x = 62,093.19