Finding the Fourth Proportional to 1,382.60, 2,071.48 and 1,152.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.60 : 2,071.48 = 1,152.96 : x
2. Step 2: Convert to fraction form
   1,382.60/2,071.48 = 1,152.96/x
3. Step 3: Cross multiply
   1,382.60x = 2,071.48 × 1,152.96
4. Step 4: Simplify right side
   1,382.60x = 2,388,333.58
5. Step 5: Solve for x
   x = 2,388,333.58/1,382.60
6. Step 6: Final answer
   x = 1,727.42