Finding the Fourth Proportional to 1,906.82, 2,630.63 and 1,160.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.82 : 2,630.63 = 1,160.18 : x
2. Step 2: Convert to fraction form
   1,906.82/2,630.63 = 1,160.18/x
3. Step 3: Cross multiply
   1,906.82x = 2,630.63 × 1,160.18
4. Step 4: Simplify right side
   1,906.82x = 3,051,985.36
5. Step 5: Solve for x
   x = 3,051,985.36/1,906.82
6. Step 6: Final answer
   x = 1,600.57