Finding the Fourth Proportional to 78,999.06, 109,020.42 and 47,162.01

Step by Step Solution

1. Step 1: Write the proportion equation
   78,999.06 : 109,020.42 = 47,162.01 : x
2. Step 2: Convert to fraction form
   78,999.06/109,020.42 = 47,162.01/x
3. Step 3: Cross multiply
   78,999.06x = 109,020.42 × 47,162.01
4. Step 4: Simplify right side
   78,999.06x = 5,141,622,138.24
5. Step 5: Solve for x
   x = 5,141,622,138.24/78,999.06
6. Step 6: Final answer
   x = 65,084.60