Finding the Fourth Proportional to 7,619.69, 10,514.16 and 4,970.67

Step by Step Solution

1. Step 1: Write the proportion equation
   7,619.69 : 10,514.16 = 4,970.67 : x
2. Step 2: Convert to fraction form
   7,619.69/10,514.16 = 4,970.67/x
3. Step 3: Cross multiply
   7,619.69x = 10,514.16 × 4,970.67
4. Step 4: Simplify right side
   7,619.69x = 52,262,419.69
5. Step 5: Solve for x
   x = 52,262,419.69/7,619.69
6. Step 6: Final answer
   x = 6,858.87