Finding the Fourth Proportional to 2,181.52, 3,011.64 and 1,683.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.52 : 3,011.64 = 1,683.06 : x
2. Step 2: Convert to fraction form
   2,181.52/3,011.64 = 1,683.06/x
3. Step 3: Cross multiply
   2,181.52x = 3,011.64 × 1,683.06
4. Step 4: Simplify right side
   2,181.52x = 5,068,770.82
5. Step 5: Solve for x
   x = 5,068,770.82/2,181.52
6. Step 6: Final answer
   x = 2,323.50