Finding the Fourth Proportional to 10,142.48, 13,976.85 and 7,304.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,142.48 : 13,976.85 = 7,304.50 : x
2. Step 2: Convert to fraction form
   10,142.48/13,976.85 = 7,304.50/x
3. Step 3: Cross multiply
   10,142.48x = 13,976.85 × 7,304.50
4. Step 4: Simplify right side
   10,142.48x = 102,093,890.90
5. Step 5: Solve for x
   x = 102,093,890.90/10,142.48
6. Step 6: Final answer
   x = 10,065.97