Finding the Fourth Proportional to 78,106.08, 107,786.72 and 42,296.48

Step by Step Solution

1. Step 1: Write the proportion equation
   78,106.08 : 107,786.72 = 42,296.48 : x
2. Step 2: Convert to fraction form
   78,106.08/107,786.72 = 42,296.48/x
3. Step 3: Cross multiply
   78,106.08x = 107,786.72 × 42,296.48
4. Step 4: Simplify right side
   78,106.08x = 4,558,998,846.75
5. Step 5: Solve for x
   x = 4,558,998,846.75/78,106.08
6. Step 6: Final answer
   x = 58,369.32