Finding the Fourth Proportional to 1,300.63, 1,795.03 and 859.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.63 : 1,795.03 = 859.45 : x
2. Step 2: Convert to fraction form
   1,300.63/1,795.03 = 859.45/x
3. Step 3: Cross multiply
   1,300.63x = 1,795.03 × 859.45
4. Step 4: Simplify right side
   1,300.63x = 1,542,738.53
5. Step 5: Solve for x
   x = 1,542,738.53/1,300.63
6. Step 6: Final answer
   x = 1,186.15