Finding the Fourth Proportional to 2,255.06, 3,380.52 and 1,156.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,255.06 : 3,380.52 = 1,156.98 : x
2. Step 2: Convert to fraction form
   2,255.06/3,380.52 = 1,156.98/x
3. Step 3: Cross multiply
   2,255.06x = 3,380.52 × 1,156.98
4. Step 4: Simplify right side
   2,255.06x = 3,911,194.03
5. Step 5: Solve for x
   x = 3,911,194.03/2,255.06
6. Step 6: Final answer
   x = 1,734.41