Finding the Fourth Proportional to 7,012.69, 9,677.51 and 3,868.88

Step by Step Solution

1. Step 1: Write the proportion equation
   7,012.69 : 9,677.51 = 3,868.88 : x
2. Step 2: Convert to fraction form
   7,012.69/9,677.51 = 3,868.88/x
3. Step 3: Cross multiply
   7,012.69x = 9,677.51 × 3,868.88
4. Step 4: Simplify right side
   7,012.69x = 37,441,071.67
5. Step 5: Solve for x
   x = 37,441,071.67/7,012.69
6. Step 6: Final answer
   x = 5,339.05