Finding the Fourth Proportional to 76,144.08, 105,078.96 and 42,610.08

Step by Step Solution

1. Step 1: Write the proportion equation
   76,144.08 : 105,078.96 = 42,610.08 : x
2. Step 2: Convert to fraction form
   76,144.08/105,078.96 = 42,610.08/x
3. Step 3: Cross multiply
   76,144.08x = 105,078.96 × 42,610.08
4. Step 4: Simplify right side
   76,144.08x = 4,477,422,891.92
5. Step 5: Solve for x
   x = 4,477,422,891.92/76,144.08
6. Step 6: Final answer
   x = 58,801.98