Finding the Fourth Proportional to 7,528.56, 10,378.58 and 5,283.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,528.56 : 10,378.58 = 5,283.48 : x
2. Step 2: Convert to fraction form
   7,528.56/10,378.58 = 5,283.48/x
3. Step 3: Cross multiply
   7,528.56x = 10,378.58 × 5,283.48
4. Step 4: Simplify right side
   7,528.56x = 54,835,019.86
5. Step 5: Solve for x
   x = 54,835,019.86/7,528.56
6. Step 6: Final answer
   x = 7,283.60