Finding the Fourth Proportional to 9,410.50, 12,986.76 and 5,219.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,410.50 : 12,986.76 = 5,219.02 : x
2. Step 2: Convert to fraction form
   9,410.50/12,986.76 = 5,219.02/x
3. Step 3: Cross multiply
   9,410.50x = 12,986.76 × 5,219.02
4. Step 4: Simplify right side
   9,410.50x = 67,778,160.18
5. Step 5: Solve for x
   x = 67,778,160.18/9,410.50
6. Step 6: Final answer
   x = 7,202.40