Finding the Fourth Proportional to 7,488.64, 10,337.72 and 5,336.57

Step by Step Solution

1. Step 1: Write the proportion equation
   7,488.64 : 10,337.72 = 5,336.57 : x
2. Step 2: Convert to fraction form
   7,488.64/10,337.72 = 5,336.57/x
3. Step 3: Cross multiply
   7,488.64x = 10,337.72 × 5,336.57
4. Step 4: Simplify right side
   7,488.64x = 55,167,966.42
5. Step 5: Solve for x
   x = 55,167,966.42/7,488.64
6. Step 6: Final answer
   x = 7,366.89