Finding the Fourth Proportional to 78,404.88, 108,196.92 and 42,594.09

Step by Step Solution

1. Step 1: Write the proportion equation
   78,404.88 : 108,196.92 = 42,594.09 : x
2. Step 2: Convert to fraction form
   78,404.88/108,196.92 = 42,594.09/x
3. Step 3: Cross multiply
   78,404.88x = 108,196.92 × 42,594.09
4. Step 4: Simplify right side
   78,404.88x = 4,608,549,348.20
5. Step 5: Solve for x
   x = 4,608,549,348.20/78,404.88
6. Step 6: Final answer
   x = 58,778.86