Finding the Fourth Proportional to 1,530.23, 2,112.04 and 971.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,530.23 : 2,112.04 = 971.46 : x
2. Step 2: Convert to fraction form
   1,530.23/2,112.04 = 971.46/x
3. Step 3: Cross multiply
   1,530.23x = 2,112.04 × 971.46
4. Step 4: Simplify right side
   1,530.23x = 2,051,763.59
5. Step 5: Solve for x
   x = 2,051,763.59/1,530.23
6. Step 6: Final answer
   x = 1,340.82