Finding the Fourth Proportional to 11,683.89, 16,123.65 and 7,205.85

Step by Step Solution

1. Step 1: Write the proportion equation
   11,683.89 : 16,123.65 = 7,205.85 : x
2. Step 2: Convert to fraction form
   11,683.89/16,123.65 = 7,205.85/x
3. Step 3: Cross multiply
   11,683.89x = 16,123.65 × 7,205.85
4. Step 4: Simplify right side
   11,683.89x = 116,184,603.35
5. Step 5: Solve for x
   x = 116,184,603.35/11,683.89
6. Step 6: Final answer
   x = 9,944.00