Finding the Fourth Proportional to 7,180.79, 10,774.01 and 4,715.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,180.79 : 10,774.01 = 4,715.15 : x
2. Step 2: Convert to fraction form
   7,180.79/10,774.01 = 4,715.15/x
3. Step 3: Cross multiply
   7,180.79x = 10,774.01 × 4,715.15
4. Step 4: Simplify right side
   7,180.79x = 50,801,031.17
5. Step 5: Solve for x
   x = 50,801,031.17/7,180.79
6. Step 6: Final answer
   x = 7,074.58