Finding the Fourth Proportional to 7,012.42, 9,677.82 and 3,868.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,012.42 : 9,677.82 = 3,868.62 : x
2. Step 2: Convert to fraction form
   7,012.42/9,677.82 = 3,868.62/x
3. Step 3: Cross multiply
   7,012.42x = 9,677.82 × 3,868.62
4. Step 4: Simplify right side
   7,012.42x = 37,439,808.01
5. Step 5: Solve for x
   x = 37,439,808.01/7,012.42
6. Step 6: Final answer
   x = 5,339.07