Finding the Fourth Proportional to 1,530.49, 2,111.16 and 969.97

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.49 : 2,111.16 = 969.97 : x
2. Step 2: Convert to fraction form
   1,530.49/2,111.16 = 969.97/x
3. Step 3: Cross multiply
   1,530.49x = 2,111.16 × 969.97
4. Step 4: Simplify right side
   1,530.49x = 2,047,761.87
5. Step 5: Solve for x
   x = 2,047,761.87/1,530.49
6. Step 6: Final answer
   x = 1,337.98