Finding the Fourth Proportional to 2,653.32, 3,977.46 and 1,191

Step by Step Solution

1. Step 1: Write the proportion equation
   2,653.32 : 3,977.46 = 1,191 : x
2. Step 2: Convert to fraction form
   2,653.32/3,977.46 = 1,191/x
3. Step 3: Cross multiply
   2,653.32x = 3,977.46 × 1,191
4. Step 4: Simplify right side
   2,653.32x = 4,737,154.86
5. Step 5: Solve for x
   x = 4,737,154.86/2,653.32
6. Step 6: Final answer
   x = 1,785.37