Finding the Fourth Proportional to 7,123.08, 10,683.81 and 1,928.55

Step by Step Solution

1. Step 1: Write the proportion equation
   7,123.08 : 10,683.81 = 1,928.55 : x
2. Step 2: Convert to fraction form
   7,123.08/10,683.81 = 1,928.55/x
3. Step 3: Cross multiply
   7,123.08x = 10,683.81 × 1,928.55
4. Step 4: Simplify right side
   7,123.08x = 20,604,261.78
5. Step 5: Solve for x
   x = 20,604,261.78/7,123.08
6. Step 6: Final answer
   x = 2,892.61