Finding the Fourth Proportional to 1,947.23, 2,913.55 and 1,082.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,947.23 : 2,913.55 = 1,082.15 : x
2. Step 2: Convert to fraction form
   1,947.23/2,913.55 = 1,082.15/x
3. Step 3: Cross multiply
   1,947.23x = 2,913.55 × 1,082.15
4. Step 4: Simplify right side
   1,947.23x = 3,152,878.15
5. Step 5: Solve for x
   x = 3,152,878.15/1,947.23
6. Step 6: Final answer
   x = 1,619.16