Finding the Fourth Proportional to 4,696.55, 6,470.80 and 3,100.35

Step by Step Solution

1. Step 1: Write the proportion equation
   4,696.55 : 6,470.80 = 3,100.35 : x
2. Step 2: Convert to fraction form
   4,696.55/6,470.80 = 3,100.35/x
3. Step 3: Cross multiply
   4,696.55x = 6,470.80 × 3,100.35
4. Step 4: Simplify right side
   4,696.55x = 20,061,729.28
5. Step 5: Solve for x
   x = 20,061,729.28/4,696.55
6. Step 6: Final answer
   x = 4,271.59