Finding the Fourth Proportional to 2,151.53, 3,227.63 and 1,055.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151.53 : 3,227.63 = 1,055.98 : x
2. Step 2: Convert to fraction form
   2,151.53/3,227.63 = 1,055.98/x
3. Step 3: Cross multiply
   2,151.53x = 3,227.63 × 1,055.98
4. Step 4: Simplify right side
   2,151.53x = 3,408,307.30
5. Step 5: Solve for x
   x = 3,408,307.30/2,151.53
6. Step 6: Final answer
   x = 1,584.14