Finding the Fourth Proportional to 7,123.25, 10,683.64 and 1,927.91

Step by Step Solution

1. Step 1: Write the proportion equation
   7,123.25 : 10,683.64 = 1,927.91 : x
2. Step 2: Convert to fraction form
   7,123.25/10,683.64 = 1,927.91/x
3. Step 3: Cross multiply
   7,123.25x = 10,683.64 × 1,927.91
4. Step 4: Simplify right side
   7,123.25x = 20,597,086.75
5. Step 5: Solve for x
   x = 20,597,086.75/7,123.25
6. Step 6: Final answer
   x = 2,891.53