Finding the Fourth Proportional to 5,123.52, 7,683.12 and 1,836

Step by Step Solution

1. Step 1: Write the proportion equation
   5,123.52 : 7,683.12 = 1,836 : x
2. Step 2: Convert to fraction form
   5,123.52/7,683.12 = 1,836/x
3. Step 3: Cross multiply
   5,123.52x = 7,683.12 × 1,836
4. Step 4: Simplify right side
   5,123.52x = 14,106,208.32
5. Step 5: Solve for x
   x = 14,106,208.32/5,123.52
6. Step 6: Final answer
   x = 2,753.23