Finding the Fourth Proportional to 2,353.86, 3,530.82 and 1,055.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,353.86 : 3,530.82 = 1,055.06 : x
2. Step 2: Convert to fraction form
   2,353.86/3,530.82 = 1,055.06/x
3. Step 3: Cross multiply
   2,353.86x = 3,530.82 × 1,055.06
4. Step 4: Simplify right side
   2,353.86x = 3,725,226.95
5. Step 5: Solve for x
   x = 3,725,226.95/2,353.86
6. Step 6: Final answer
   x = 1,582.60