Finding the Fourth Proportional to 78,997.30, 109,017.57 and 47,168.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,997.30 : 109,017.57 = 47,168.98 : x
2. Step 2: Convert to fraction form
   78,997.30/109,017.57 = 47,168.98/x
3. Step 3: Cross multiply
   78,997.30x = 109,017.57 × 47,168.98
4. Step 4: Simplify right side
   78,997.30x = 5,142,247,578.98
5. Step 5: Solve for x
   x = 5,142,247,578.98/78,997.30
6. Step 6: Final answer
   x = 65,093.97