Finding the Fourth Proportional to 2,116.38, 2,923.59 and 1,530

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.38 : 2,923.59 = 1,530 : x
2. Step 2: Convert to fraction form
   2,116.38/2,923.59 = 1,530/x
3. Step 3: Cross multiply
   2,116.38x = 2,923.59 × 1,530
4. Step 4: Simplify right side
   2,116.38x = 4,473,092.70
5. Step 5: Solve for x
   x = 4,473,092.70/2,116.38
6. Step 6: Final answer
   x = 2,113.56