Finding the Fourth Proportional to 1,946.94, 2,686.59 and 1,160.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,946.94 : 2,686.59 = 1,160.88 : x
2. Step 2: Convert to fraction form
   1,946.94/2,686.59 = 1,160.88/x
3. Step 3: Cross multiply
   1,946.94x = 2,686.59 × 1,160.88
4. Step 4: Simplify right side
   1,946.94x = 3,118,808.60
5. Step 5: Solve for x
   x = 3,118,808.60/1,946.94
6. Step 6: Final answer
   x = 1,601.90