Finding the Fourth Proportional to 2,802.45, 4,200.94 and 1,342.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,802.45 : 4,200.94 = 1,342.63 : x
2. Step 2: Convert to fraction form
   2,802.45/4,200.94 = 1,342.63/x
3. Step 3: Cross multiply
   2,802.45x = 4,200.94 × 1,342.63
4. Step 4: Simplify right side
   2,802.45x = 5,640,287.60
5. Step 5: Solve for x
   x = 5,640,287.60/2,802.45
6. Step 6: Final answer
   x = 2,012.63