Finding the Fourth Proportional to 75,927, 104,785.74 and 42,399.48

Step by Step Solution

1. Step 1: Write the proportion equation
   75,927 : 104,785.74 = 42,399.48 : x
2. Step 2: Convert to fraction form
   75,927/104,785.74 = 42,399.48/x
3. Step 3: Cross multiply
   75,927x = 104,785.74 × 42,399.48
4. Step 4: Simplify right side
   75,927x = 4,442,860,887.42
5. Step 5: Solve for x
   x = 4,442,860,887.42/75,927
6. Step 6: Final answer
   x = 58,514.90