Finding the Fourth Proportional to 3,080.34, 4,250.88 and 1,683.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,080.34 : 4,250.88 = 1,683.12 : x
2. Step 2: Convert to fraction form
   3,080.34/4,250.88 = 1,683.12/x
3. Step 3: Cross multiply
   3,080.34x = 4,250.88 × 1,683.12
4. Step 4: Simplify right side
   3,080.34x = 7,154,741.15
5. Step 5: Solve for x
   x = 7,154,741.15/3,080.34
6. Step 6: Final answer
   x = 2,322.71