Finding the Fourth Proportional to 78,393.38, 108,181.05 and 42,582.59

Step by Step Solution

1. Step 1: Write the proportion equation
   78,393.38 : 108,181.05 = 42,582.59 : x
2. Step 2: Convert to fraction form
   78,393.38/108,181.05 = 42,582.59/x
3. Step 3: Cross multiply
   78,393.38x = 108,181.05 × 42,582.59
4. Step 4: Simplify right side
   78,393.38x = 4,606,629,297.92
5. Step 5: Solve for x
   x = 4,606,629,297.92/78,393.38
6. Step 6: Final answer
   x = 58,762.99