Finding the Fourth Proportional to 76,846.06, 106,048.02 and 42,856.69

Step by Step Solution

1. Step 1: Write the proportion equation
   76,846.06 : 106,048.02 = 42,856.69 : x
2. Step 2: Convert to fraction form
   76,846.06/106,048.02 = 42,856.69/x
3. Step 3: Cross multiply
   76,846.06x = 106,048.02 × 42,856.69
4. Step 4: Simplify right side
   76,846.06x = 4,544,867,118.25
5. Step 5: Solve for x
   x = 4,544,867,118.25/76,846.06
6. Step 6: Final answer
   x = 59,142.49