Finding the Fourth Proportional to 47,018.78, 70,562.25 and 17,440.82

Step by Step Solution

1. Step 1: Write the proportion equation
   47,018.78 : 70,562.25 = 17,440.82 : x
2. Step 2: Convert to fraction form
   47,018.78/70,562.25 = 17,440.82/x
3. Step 3: Cross multiply
   47,018.78x = 70,562.25 × 17,440.82
4. Step 4: Simplify right side
   47,018.78x = 1,230,663,148.23
5. Step 5: Solve for x
   x = 1,230,663,148.23/47,018.78
6. Step 6: Final answer
   x = 26,173.87