Finding the Fourth Proportional to 2,934.42, 4,402.86 and 1,085.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,934.42 : 4,402.86 = 1,085.07 : x
2. Step 2: Convert to fraction form
   2,934.42/4,402.86 = 1,085.07/x
3. Step 3: Cross multiply
   2,934.42x = 4,402.86 × 1,085.07
4. Step 4: Simplify right side
   2,934.42x = 4,777,411.30
5. Step 5: Solve for x
   x = 4,777,411.30/2,934.42
6. Step 6: Final answer
   x = 1,628.06