Finding the Fourth Proportional to 78,093.89, 107,769.62 and 42,283.93

Step by Step Solution

1. Step 1: Write the proportion equation
   78,093.89 : 107,769.62 = 42,283.93 : x
2. Step 2: Convert to fraction form
   78,093.89/107,769.62 = 42,283.93/x
3. Step 3: Cross multiply
   78,093.89x = 107,769.62 × 42,283.93
4. Step 4: Simplify right side
   78,093.89x = 4,556,922,904.49
5. Step 5: Solve for x
   x = 4,556,922,904.49/78,093.89
6. Step 6: Final answer
   x = 58,351.85