Finding the Fourth Proportional to 6,900.81, 10,344.03 and 3,200.00

Step by Step Solution

1. Step 1: Write the proportion equation
   6,900.81 : 10,344.03 = 3,200.00 : x
2. Step 2: Convert to fraction form
   6,900.81/10,344.03 = 3,200.00/x
3. Step 3: Cross multiply
   6,900.81x = 10,344.03 × 3,200.00
4. Step 4: Simplify right side
   6,900.81x = 33,100,844.28
5. Step 5: Solve for x
   x = 33,100,844.28/6,900.81
6. Step 6: Final answer
   x = 4,796.66