Finding the Fourth Proportional to 76,868.37, 106,076.52 and 42,880.14

Step by Step Solution

1. Step 1: Write the proportion equation
   76,868.37 : 106,076.52 = 42,880.14 : x
2. Step 2: Convert to fraction form
   76,868.37/106,076.52 = 42,880.14/x
3. Step 3: Cross multiply
   76,868.37x = 106,076.52 × 42,880.14
4. Step 4: Simplify right side
   76,868.37x = 4,548,576,028.31
5. Step 5: Solve for x
   x = 4,548,576,028.31/76,868.37
6. Step 6: Final answer
   x = 59,173.57