Finding the Fourth Proportional to 2,056.90, 2,838.42 and 1,160.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,056.90 : 2,838.42 = 1,160.62 : x
2. Step 2: Convert to fraction form
   2,056.90/2,838.42 = 1,160.62/x
3. Step 3: Cross multiply
   2,056.90x = 2,838.42 × 1,160.62
4. Step 4: Simplify right side
   2,056.90x = 3,294,327.02
5. Step 5: Solve for x
   x = 3,294,327.02/2,056.90
6. Step 6: Final answer
   x = 1,601.60