Finding the Fourth Proportional to 2,346.42, 3,238.05 and 1,402.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,346.42 : 3,238.05 = 1,402.38 : x
2. Step 2: Convert to fraction form
   2,346.42/3,238.05 = 1,402.38/x
3. Step 3: Cross multiply
   2,346.42x = 3,238.05 × 1,402.38
4. Step 4: Simplify right side
   2,346.42x = 4,540,976.56
5. Step 5: Solve for x
   x = 4,540,976.56/2,346.42
6. Step 6: Final answer
   x = 1,935.28