Finding the Fourth Proportional to 76,820.94, 106,014.03 and 42,828.42

Step by Step Solution

1. Step 1: Write the proportion equation
   76,820.94 : 106,014.03 = 42,828.42 : x
2. Step 2: Convert to fraction form
   76,820.94/106,014.03 = 42,828.42/x
3. Step 3: Cross multiply
   76,820.94x = 106,014.03 × 42,828.42
4. Step 4: Simplify right side
   76,820.94x = 4,540,413,402.73
5. Step 5: Solve for x
   x = 4,540,413,402.73/76,820.94
6. Step 6: Final answer
   x = 59,103.85