Finding the Fourth Proportional to 2,094.90, 3,143.88 and 1,054.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,094.90 : 3,143.88 = 1,054.62 : x
2. Step 2: Convert to fraction form
   2,094.90/3,143.88 = 1,054.62/x
3. Step 3: Cross multiply
   2,094.90x = 3,143.88 × 1,054.62
4. Step 4: Simplify right side
   2,094.90x = 3,315,598.73
5. Step 5: Solve for x
   x = 3,315,598.73/2,094.90
6. Step 6: Final answer
   x = 1,582.70