Finding the Fourth Proportional to 1,906.23, 2,630.46 and 1,066.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.23 : 2,630.46 = 1,066.89 : x
2. Step 2: Convert to fraction form
   1,906.23/2,630.46 = 1,066.89/x
3. Step 3: Cross multiply
   1,906.23x = 2,630.46 × 1,066.89
4. Step 4: Simplify right side
   1,906.23x = 2,806,411.47
5. Step 5: Solve for x
   x = 2,806,411.47/1,906.23
6. Step 6: Final answer
   x = 1,472.23