Finding the Fourth Proportional to 78,716.04, 108,627.42 and 42,906.06

Step by Step Solution

1. Step 1: Write the proportion equation
   78,716.04 : 108,627.42 = 42,906.06 : x
2. Step 2: Convert to fraction form
   78,716.04/108,627.42 = 42,906.06/x
3. Step 3: Cross multiply
   78,716.04x = 108,627.42 × 42,906.06
4. Step 4: Simplify right side
   78,716.04x = 4,660,774,600.17
5. Step 5: Solve for x
   x = 4,660,774,600.17/78,716.04
6. Step 6: Final answer
   x = 59,209.97