Finding the Fourth Proportional to 2,390.16, 3,298.06 and 1,342.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,390.16 : 3,298.06 = 1,342.02 : x
2. Step 2: Convert to fraction form
   2,390.16/3,298.06 = 1,342.02/x
3. Step 3: Cross multiply
   2,390.16x = 3,298.06 × 1,342.02
4. Step 4: Simplify right side
   2,390.16x = 4,426,042.64
5. Step 5: Solve for x
   x = 4,426,042.64/2,390.16
6. Step 6: Final answer
   x = 1,851.78