Finding the Fourth Proportional to 9,787.57, 14,676.47 and 3,123.19

Step by Step Solution

1. Step 1: Write the proportion equation
   9,787.57 : 14,676.47 = 3,123.19 : x
2. Step 2: Convert to fraction form
   9,787.57/14,676.47 = 3,123.19/x
3. Step 3: Cross multiply
   9,787.57x = 14,676.47 × 3,123.19
4. Step 4: Simplify right side
   9,787.57x = 45,837,436.35
5. Step 5: Solve for x
   x = 45,837,436.35/9,787.57
6. Step 6: Final answer
   x = 4,683.23