Finding the Fourth Proportional to 2,113.89, 2,917.23 and 1,182.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113.89 : 2,917.23 = 1,182.39 : x
2. Step 2: Convert to fraction form
   2,113.89/2,917.23 = 1,182.39/x
3. Step 3: Cross multiply
   2,113.89x = 2,917.23 × 1,182.39
4. Step 4: Simplify right side
   2,113.89x = 3,449,303.58
5. Step 5: Solve for x
   x = 3,449,303.58/2,113.89
6. Step 6: Final answer
   x = 1,631.73