Finding the Fourth Proportional to 78,995.55, 109,015.16 and 47,167.23

Step by Step Solution

1. Step 1: Write the proportion equation
   78,995.55 : 109,015.16 = 47,167.23 : x
2. Step 2: Convert to fraction form
   78,995.55/109,015.16 = 47,167.23/x
3. Step 3: Cross multiply
   78,995.55x = 109,015.16 × 47,167.23
4. Step 4: Simplify right side
   78,995.55x = 5,141,942,889.37
5. Step 5: Solve for x
   x = 5,141,942,889.37/78,995.55
6. Step 6: Final answer
   x = 65,091.55