Finding the Fourth Proportional to 7,100.00, 10,638.22 and 4,318.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,100.00 : 10,638.22 = 4,318.25 : x
2. Step 2: Convert to fraction form
   7,100.00/10,638.22 = 4,318.25/x
3. Step 3: Cross multiply
   7,100.00x = 10,638.22 × 4,318.25
4. Step 4: Simplify right side
   7,100.00x = 45,938,527.38
5. Step 5: Solve for x
   x = 45,938,527.38/7,100.00
6. Step 6: Final answer
   x = 6,470.22