Finding the Fourth Proportional to 7,528.17, 10,397.60 and 5,005.91

Step by Step Solution

1. Step 1: Write the proportion equation
   7,528.17 : 10,397.60 = 5,005.91 : x
2. Step 2: Convert to fraction form
   7,528.17/10,397.60 = 5,005.91/x
3. Step 3: Cross multiply
   7,528.17x = 10,397.60 × 5,005.91
4. Step 4: Simplify right side
   7,528.17x = 52,049,469.55
5. Step 5: Solve for x
   x = 52,049,469.55/7,528.17
6. Step 6: Final answer
   x = 6,913.96