Finding the Fourth Proportional to 2,301.96, 3,171.60 and 1,602.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.96 : 3,171.60 = 1,602.12 : x
2. Step 2: Convert to fraction form
   2,301.96/3,171.60 = 1,602.12/x
3. Step 3: Cross multiply
   2,301.96x = 3,171.60 × 1,602.12
4. Step 4: Simplify right side
   2,301.96x = 5,081,283.79
5. Step 5: Solve for x
   x = 5,081,283.79/2,301.96
6. Step 6: Final answer
   x = 2,207.37