Finding the Fourth Proportional to 1,906.23, 2,630.56 and 1,160.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.23 : 2,630.56 = 1,160.04 : x
2. Step 2: Convert to fraction form
   1,906.23/2,630.56 = 1,160.04/x
3. Step 3: Cross multiply
   1,906.23x = 2,630.56 × 1,160.04
4. Step 4: Simplify right side
   1,906.23x = 3,051,554.82
5. Step 5: Solve for x
   x = 3,051,554.82/1,906.23
6. Step 6: Final answer
   x = 1,600.83