Finding the Fourth Proportional to 1,325.76, 1,830.72 and 976.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,325.76 : 1,830.72 = 976.32 : x
2. Step 2: Convert to fraction form
   1,325.76/1,830.72 = 976.32/x
3. Step 3: Cross multiply
   1,325.76x = 1,830.72 × 976.32
4. Step 4: Simplify right side
   1,325.76x = 1,787,368.55
5. Step 5: Solve for x
   x = 1,787,368.55/1,325.76
6. Step 6: Final answer
   x = 1,348.18