Finding the Fourth Proportional to 3,191.02, 4,403.55 and 1,774.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,191.02 : 4,403.55 = 1,774.72 : x
2. Step 2: Convert to fraction form
   3,191.02/4,403.55 = 1,774.72/x
3. Step 3: Cross multiply
   3,191.02x = 4,403.55 × 1,774.72
4. Step 4: Simplify right side
   3,191.02x = 7,815,068.26
5. Step 5: Solve for x
   x = 7,815,068.26/3,191.02
6. Step 6: Final answer
   x = 2,449.08