Finding the Fourth Proportional to 7,586.60, 10,504.50 and 7,003.40

Step by Step Solution

1. Step 1: Write the proportion equation
   7,586.60 : 10,504.50 = 7,003.40 : x
2. Step 2: Convert to fraction form
   7,586.60/10,504.50 = 7,003.40/x
3. Step 3: Cross multiply
   7,586.60x = 10,504.50 × 7,003.40
4. Step 4: Simplify right side
   7,586.60x = 73,567,215.30
5. Step 5: Solve for x
   x = 73,567,215.30/7,586.60
6. Step 6: Final answer
   x = 9,696.99