Finding the Fourth Proportional to 78,009, 107,608.68 and 47,808.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,009 : 107,608.68 = 47,808.96 : x
2. Step 2: Convert to fraction form
   78,009/107,608.68 = 47,808.96/x
3. Step 3: Cross multiply
   78,009x = 107,608.68 × 47,808.96
4. Step 4: Simplify right side
   78,009x = 5,144,659,077.77
5. Step 5: Solve for x
   x = 5,144,659,077.77/78,009
6. Step 6: Final answer
   x = 65,949.56