Finding the Fourth Proportional to 76,846.55, 106,048.83 and 42,857.19

Step by Step Solution

1. Step 1: Write the proportion equation
   76,846.55 : 106,048.83 = 42,857.19 : x
2. Step 2: Convert to fraction form
   76,846.55/106,048.83 = 42,857.19/x
3. Step 3: Cross multiply
   76,846.55x = 106,048.83 × 42,857.19
4. Step 4: Simplify right side
   76,846.55x = 4,544,954,856.59
5. Step 5: Solve for x
   x = 4,544,954,856.59/76,846.55
6. Step 6: Final answer
   x = 59,143.26