Finding the Fourth Proportional to 2,186.50, 3,018.28 and 1,765.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186.50 : 3,018.28 = 1,765.84 : x
2. Step 2: Convert to fraction form
   2,186.50/3,018.28 = 1,765.84/x
3. Step 3: Cross multiply
   2,186.50x = 3,018.28 × 1,765.84
4. Step 4: Simplify right side
   2,186.50x = 5,329,799.56
5. Step 5: Solve for x
   x = 5,329,799.56/2,186.50
6. Step 6: Final answer
   x = 2,437.59