Finding the Fourth Proportional to 2,113.32, 2,916.39 and 1,181.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.32 : 2,916.39 = 1,181.82 : x
2. Step 2: Convert to fraction form
   2,113.32/2,916.39 = 1,181.82/x
3. Step 3: Cross multiply
   2,113.32x = 2,916.39 × 1,181.82
4. Step 4: Simplify right side
   2,113.32x = 3,446,648.03
5. Step 5: Solve for x
   x = 3,446,648.03/2,113.32
6. Step 6: Final answer
   x = 1,630.92