Finding the Fourth Proportional to 78,716.79, 108,626.00 and 42,906.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,716.79 : 108,626.00 = 42,906.06 : x
2. Step 2: Convert to fraction form
   78,716.79/108,626.00 = 42,906.06/x
3. Step 3: Cross multiply
   78,716.79x = 108,626.00 × 42,906.06
4. Step 4: Simplify right side
   78,716.79x = 4,660,713,459.03
5. Step 5: Solve for x
   x = 4,660,713,459.03/78,716.79
6. Step 6: Final answer
   x = 59,208.63