Finding the Fourth Proportional to 78,055.56, 107,716.66 and 42,245.84

Step by Step Solution

1. Step 1: Write the proportion equation
   78,055.56 : 107,716.66 = 42,245.84 : x
2. Step 2: Convert to fraction form
   78,055.56/107,716.66 = 42,245.84/x
3. Step 3: Cross multiply
   78,055.56x = 107,716.66 × 42,245.84
4. Step 4: Simplify right side
   78,055.56x = 4,550,580,783.69
5. Step 5: Solve for x
   x = 4,550,580,783.69/78,055.56
6. Step 6: Final answer
   x = 58,299.25