Finding the Fourth Proportional to 11,951.37, 17,925.98 and 3,186

Step by Step Solution

1. Step 1: Write the proportion equation
   11,951.37 : 17,925.98 = 3,186 : x
2. Step 2: Convert to fraction form
   11,951.37/17,925.98 = 3,186/x
3. Step 3: Cross multiply
   11,951.37x = 17,925.98 × 3,186
4. Step 4: Simplify right side
   11,951.37x = 57,112,156.35
5. Step 5: Solve for x
   x = 57,112,156.35/11,951.37
6. Step 6: Final answer
   x = 4,778.71