Finding the Fourth Proportional to 78,404.94, 108,198.23 and 42,595.20

Step by Step Solution

1. Step 1: Write the proportion equation
   78,404.94 : 108,198.23 = 42,595.20 : x
2. Step 2: Convert to fraction form
   78,404.94/108,198.23 = 42,595.20/x
3. Step 3: Cross multiply
   78,404.94x = 108,198.23 × 42,595.20
4. Step 4: Simplify right side
   78,404.94x = 4,608,725,033.52
5. Step 5: Solve for x
   x = 4,608,725,033.52/78,404.94
6. Step 6: Final answer
   x = 58,781.05