Finding the Fourth Proportional to 12,177.82, 16,805.25 and 7,141

Step by Step Solution

1. Step 1: Write the proportion equation
   12,177.82 : 16,805.25 = 7,141 : x
2. Step 2: Convert to fraction form
   12,177.82/16,805.25 = 7,141/x
3. Step 3: Cross multiply
   12,177.82x = 16,805.25 × 7,141
4. Step 4: Simplify right side
   12,177.82x = 120,006,290.25
5. Step 5: Solve for x
   x = 120,006,290.25/12,177.82
6. Step 6: Final answer
   x = 9,854.50