Finding the Fourth Proportional to 1,328.26, 1,830.03 and 973.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,328.26 : 1,830.03 = 973.57 : x
2. Step 2: Convert to fraction form
   1,328.26/1,830.03 = 973.57/x
3. Step 3: Cross multiply
   1,328.26x = 1,830.03 × 973.57
4. Step 4: Simplify right side
   1,328.26x = 1,781,662.31
5. Step 5: Solve for x
   x = 1,781,662.31/1,328.26
6. Step 6: Final answer
   x = 1,341.35