Finding the Fourth Proportional to 7,071.47, 10,591.60 and 4,430.37

Step by Step Solution

1. Step 1: Write the proportion equation
   7,071.47 : 10,591.60 = 4,430.37 : x
2. Step 2: Convert to fraction form
   7,071.47/10,591.60 = 4,430.37/x
3. Step 3: Cross multiply
   7,071.47x = 10,591.60 × 4,430.37
4. Step 4: Simplify right side
   7,071.47x = 46,924,706.89
5. Step 5: Solve for x
   x = 46,924,706.89/7,071.47
6. Step 6: Final answer
   x = 6,635.78