Finding the Fourth Proportional to 76,162.36, 105,100.60 and 42,168.44

Step by Step Solution

1. Step 1: Write the proportion equation
   76,162.36 : 105,100.60 = 42,168.44 : x
2. Step 2: Convert to fraction form
   76,162.36/105,100.60 = 42,168.44/x
3. Step 3: Cross multiply
   76,162.36x = 105,100.60 × 42,168.44
4. Step 4: Simplify right side
   76,162.36x = 4,431,928,345.06
5. Step 5: Solve for x
   x = 4,431,928,345.06/76,162.36
6. Step 6: Final answer
   x = 58,190.53