Finding the Fourth Proportional to 7,528.70, 10,388.59 and 4,170.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,528.70 : 10,388.59 = 4,170.69 : x
2. Step 2: Convert to fraction form
   7,528.70/10,388.59 = 4,170.69/x
3. Step 3: Cross multiply
   7,528.70x = 10,388.59 × 4,170.69
4. Step 4: Simplify right side
   7,528.70x = 43,327,578.00
5. Step 5: Solve for x
   x = 43,327,578.00/7,528.70
6. Step 6: Final answer
   x = 5,754.99