Finding the Fourth Proportional to 1,348.65, 1,859.86 and 1,182.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.65 : 1,859.86 = 1,182.80 : x
2. Step 2: Convert to fraction form
   1,348.65/1,859.86 = 1,182.80/x
3. Step 3: Cross multiply
   1,348.65x = 1,859.86 × 1,182.80
4. Step 4: Simplify right side
   1,348.65x = 2,199,848.54
5. Step 5: Solve for x
   x = 2,199,848.54/1,348.65
6. Step 6: Final answer
   x = 1,631.15