Finding the Fourth Proportional to 76,074.34, 104,982.51 and 42,540.34

Step by Step Solution

1. Step 1: Write the proportion equation
   76,074.34 : 104,982.51 = 42,540.34 : x
2. Step 2: Convert to fraction form
   76,074.34/104,982.51 = 42,540.34/x
3. Step 3: Cross multiply
   76,074.34x = 104,982.51 × 42,540.34
4. Step 4: Simplify right side
   76,074.34x = 4,465,991,669.45
5. Step 5: Solve for x
   x = 4,465,991,669.45/76,074.34
6. Step 6: Final answer
   x = 58,705.62