Finding the Fourth Proportional to 9,705.25, 14,557.35 and 3,131.43

Step by Step Solution

1. Step 1: Write the proportion equation
   9,705.25 : 14,557.35 = 3,131.43 : x
2. Step 2: Convert to fraction form
   9,705.25/14,557.35 = 3,131.43/x
3. Step 3: Cross multiply
   9,705.25x = 14,557.35 × 3,131.43
4. Step 4: Simplify right side
   9,705.25x = 45,585,361.55
5. Step 5: Solve for x
   x = 45,585,361.55/9,705.25
6. Step 6: Final answer
   x = 4,696.98