Finding the Fourth Proportional to 2,321.77, 3,483.51 and 1,089.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.77 : 3,483.51 = 1,089.58 : x
2. Step 2: Convert to fraction form
   2,321.77/3,483.51 = 1,089.58/x
3. Step 3: Cross multiply
   2,321.77x = 3,483.51 × 1,089.58
4. Step 4: Simplify right side
   2,321.77x = 3,795,562.83
5. Step 5: Solve for x
   x = 3,795,562.83/2,321.77
6. Step 6: Final answer
   x = 1,634.77