Finding the Fourth Proportional to 76,846.30, 106,048.37 and 42,856.94

Step by Step Solution

1. Step 1: Write the proportion equation
   76,846.30 : 106,048.37 = 42,856.94 : x
2. Step 2: Convert to fraction form
   76,846.30/106,048.37 = 42,856.94/x
3. Step 3: Cross multiply
   76,846.30x = 106,048.37 × 42,856.94
4. Step 4: Simplify right side
   76,846.30x = 4,544,909,002.45
5. Step 5: Solve for x
   x = 4,544,909,002.45/76,846.30
6. Step 6: Final answer
   x = 59,142.85