Finding the Fourth Proportional to 1,405.93, 2,109.35 and 675.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405.93 : 2,109.35 = 675.56 : x
2. Step 2: Convert to fraction form
   1,405.93/2,109.35 = 675.56/x
3. Step 3: Cross multiply
   1,405.93x = 2,109.35 × 675.56
4. Step 4: Simplify right side
   1,405.93x = 1,424,992.49
5. Step 5: Solve for x
   x = 1,424,992.49/1,405.93
6. Step 6: Final answer
   x = 1,013.56