Finding the Fourth Proportional to 9,009.83, 13,516.57 and 3,166.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,009.83 : 13,516.57 = 3,166.90 : x
2. Step 2: Convert to fraction form
   9,009.83/13,516.57 = 3,166.90/x
3. Step 3: Cross multiply
   9,009.83x = 13,516.57 × 3,166.90
4. Step 4: Simplify right side
   9,009.83x = 42,805,595.70
5. Step 5: Solve for x
   x = 42,805,595.70/9,009.83
6. Step 6: Final answer
   x = 4,750.99