Finding the Fourth Proportional to 2,354.69, 3,530.21 and 1,055.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.69 : 3,530.21 = 1,055.25 : x
2. Step 2: Convert to fraction form
   2,354.69/3,530.21 = 1,055.25/x
3. Step 3: Cross multiply
   2,354.69x = 3,530.21 × 1,055.25
4. Step 4: Simplify right side
   2,354.69x = 3,725,248.83
5. Step 5: Solve for x
   x = 3,725,248.83/2,354.69
6. Step 6: Final answer
   x = 1,582.05