Finding the Fourth Proportional to 79,662.12, 109,920.84 and 45,664.35

Step by Step Solution

1. Step 1: Write the proportion equation
   79,662.12 : 109,920.84 = 45,664.35 : x
2. Step 2: Convert to fraction form
   79,662.12/109,920.84 = 45,664.35/x
3. Step 3: Cross multiply
   79,662.12x = 109,920.84 × 45,664.35
4. Step 4: Simplify right side
   79,662.12x = 5,019,463,710.05
5. Step 5: Solve for x
   x = 5,019,463,710.05/79,662.12
6. Step 6: Final answer
   x = 63,009.42