Finding the Fourth Proportional to 78,995.30, 109,014.81 and 47,166.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,995.30 : 109,014.81 = 47,166.98 : x
2. Step 2: Convert to fraction form
   78,995.30/109,014.81 = 47,166.98/x
3. Step 3: Cross multiply
   78,995.30x = 109,014.81 × 47,166.98
4. Step 4: Simplify right side
   78,995.30x = 5,141,899,362.97
5. Step 5: Solve for x
   x = 5,141,899,362.97/78,995.30
6. Step 6: Final answer
   x = 65,091.21