Finding the Fourth Proportional to 76,947.50, 106,174.39 and 42,954.23

Step by Step Solution

1. Step 1: Write the proportion equation
   76,947.50 : 106,174.39 = 42,954.23 : x
2. Step 2: Convert to fraction form
   76,947.50/106,174.39 = 42,954.23/x
3. Step 3: Cross multiply
   76,947.50x = 106,174.39 × 42,954.23
4. Step 4: Simplify right side
   76,947.50x = 4,560,638,529.91
5. Step 5: Solve for x
   x = 4,560,638,529.91/76,947.50
6. Step 6: Final answer
   x = 59,269.49