Finding the Fourth Proportional to 7,185.34, 10,758.53 and 3,715.30

Step by Step Solution

1. Step 1: Write the proportion equation
   7,185.34 : 10,758.53 = 3,715.30 : x
2. Step 2: Convert to fraction form
   7,185.34/10,758.53 = 3,715.30/x
3. Step 3: Cross multiply
   7,185.34x = 10,758.53 × 3,715.30
4. Step 4: Simplify right side
   7,185.34x = 39,971,148.90
5. Step 5: Solve for x
   x = 39,971,148.90/7,185.34
6. Step 6: Final answer
   x = 5,562.88