Finding the Fourth Proportional to 78,055.53, 107,716.82 and 42,245.93

Step by Step Solution

1. Step 1: Write the proportion equation
   78,055.53 : 107,716.82 = 42,245.93 : x
2. Step 2: Convert to fraction form
   78,055.53/107,716.82 = 42,245.93/x
3. Step 3: Cross multiply
   78,055.53x = 107,716.82 × 42,245.93
4. Step 4: Simplify right side
   78,055.53x = 4,550,596,487.73
5. Step 5: Solve for x
   x = 4,550,596,487.73/78,055.53
6. Step 6: Final answer
   x = 58,299.48