Finding the Fourth Proportional to 1,886.98, 2,824.55 and 1,191.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,886.98 : 2,824.55 = 1,191.24 : x
2. Step 2: Convert to fraction form
   1,886.98/2,824.55 = 1,191.24/x
3. Step 3: Cross multiply
   1,886.98x = 2,824.55 × 1,191.24
4. Step 4: Simplify right side
   1,886.98x = 3,364,716.94
5. Step 5: Solve for x
   x = 3,364,716.94/1,886.98
6. Step 6: Final answer
   x = 1,783.12