Finding the Fourth Proportional to 1,293.12, 1,782.72 and 1,095.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293.12 : 1,782.72 = 1,095.84 : x
2. Step 2: Convert to fraction form
   1,293.12/1,782.72 = 1,095.84/x
3. Step 3: Cross multiply
   1,293.12x = 1,782.72 × 1,095.84
4. Step 4: Simplify right side
   1,293.12x = 1,953,575.88
5. Step 5: Solve for x
   x = 1,953,575.88/1,293.12
6. Step 6: Final answer
   x = 1,510.75