Finding the Fourth Proportional to 2,287.04, 3,156.15 and 1,342.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.04 : 3,156.15 = 1,342.61 : x
2. Step 2: Convert to fraction form
   2,287.04/3,156.15 = 1,342.61/x
3. Step 3: Cross multiply
   2,287.04x = 3,156.15 × 1,342.61
4. Step 4: Simplify right side
   2,287.04x = 4,237,478.55
5. Step 5: Solve for x
   x = 4,237,478.55/2,287.04
6. Step 6: Final answer
   x = 1,852.82