Finding the Fourth Proportional to 1,109.50, 1,530.29 and 969.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109.50 : 1,530.29 = 969.32 : x
2. Step 2: Convert to fraction form
   1,109.50/1,530.29 = 969.32/x
3. Step 3: Cross multiply
   1,109.50x = 1,530.29 × 969.32
4. Step 4: Simplify right side
   1,109.50x = 1,483,346.95
5. Step 5: Solve for x
   x = 1,483,346.95/1,109.50
6. Step 6: Final answer
   x = 1,336.95