Finding the Fourth Proportional to 1,905.91, 2,630.27 and 1,109.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,905.91 : 2,630.27 = 1,109.25 : x
2. Step 2: Convert to fraction form
   1,905.91/2,630.27 = 1,109.25/x
3. Step 3: Cross multiply
   1,905.91x = 2,630.27 × 1,109.25
4. Step 4: Simplify right side
   1,905.91x = 2,917,629.77
5. Step 5: Solve for x
   x = 2,917,629.77/1,905.91
6. Step 6: Final answer
   x = 1,530.83