Finding the Fourth Proportional to 78,005.98, 107,648.22 and 42,195.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,005.98 : 107,648.22 = 42,195.94 : x
2. Step 2: Convert to fraction form
   78,005.98/107,648.22 = 42,195.94/x
3. Step 3: Cross multiply
   78,005.98x = 107,648.22 × 42,195.94
4. Step 4: Simplify right side
   78,005.98x = 4,542,317,832.23
5. Step 5: Solve for x
   x = 4,542,317,832.23/78,005.98
6. Step 6: Final answer
   x = 58,230.38