Finding the Fourth Proportional to 7,056.79, 9,738.22 and 3,869.99

Step by Step Solution

1. Step 1: Write the proportion equation
   7,056.79 : 9,738.22 = 3,869.99 : x
2. Step 2: Convert to fraction form
   7,056.79/9,738.22 = 3,869.99/x
3. Step 3: Cross multiply
   7,056.79x = 9,738.22 × 3,869.99
4. Step 4: Simplify right side
   7,056.79x = 37,686,814.02
5. Step 5: Solve for x
   x = 37,686,814.02/7,056.79
6. Step 6: Final answer
   x = 5,340.50