Finding the Fourth Proportional to 2,301.11, 3,168.78 and 1,670.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.11 : 3,168.78 = 1,670.52 : x
2. Step 2: Convert to fraction form
   2,301.11/3,168.78 = 1,670.52/x
3. Step 3: Cross multiply
   2,301.11x = 3,168.78 × 1,670.52
4. Step 4: Simplify right side
   2,301.11x = 5,293,510.37
5. Step 5: Solve for x
   x = 5,293,510.37/2,301.11
6. Step 6: Final answer
   x = 2,300.42