Finding the Fourth Proportional to 7,012.86, 9,677.73 and 3,869.02

Step by Step Solution

1. Step 1: Write the proportion equation
   7,012.86 : 9,677.73 = 3,869.02 : x
2. Step 2: Convert to fraction form
   7,012.86/9,677.73 = 3,869.02/x
3. Step 3: Cross multiply
   7,012.86x = 9,677.73 × 3,869.02
4. Step 4: Simplify right side
   7,012.86x = 37,443,330.92
5. Step 5: Solve for x
   x = 37,443,330.92/7,012.86
6. Step 6: Final answer
   x = 5,339.24