Finding the Fourth Proportional to 1,906.02, 2,630.25 and 1,066.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,906.02 : 2,630.25 = 1,066.79 : x
2. Step 2: Convert to fraction form
   1,906.02/2,630.25 = 1,066.79/x
3. Step 3: Cross multiply
   1,906.02x = 2,630.25 × 1,066.79
4. Step 4: Simplify right side
   1,906.02x = 2,805,911.25
5. Step 5: Solve for x
   x = 2,805,911.25/1,906.02
6. Step 6: Final answer
   x = 1,472.13