Finding the Fourth Proportional to 69,309.76, 95,648.46 and 42,442.47

Step by Step Solution

1. Step 1: Write the proportion equation
   69,309.76 : 95,648.46 = 42,442.47 : x
2. Step 2: Convert to fraction form
   69,309.76/95,648.46 = 42,442.47/x
3. Step 3: Cross multiply
   69,309.76x = 95,648.46 × 42,442.47
4. Step 4: Simplify right side
   69,309.76x = 4,059,556,894.10
5. Step 5: Solve for x
   x = 4,059,556,894.10/69,309.76
6. Step 6: Final answer
   x = 58,571.22