Finding the Fourth Proportional to 2,353.60, 3,525.52 and 1,055.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,353.60 : 3,525.52 = 1,055.98 : x
2. Step 2: Convert to fraction form
   2,353.60/3,525.52 = 1,055.98/x
3. Step 3: Cross multiply
   2,353.60x = 3,525.52 × 1,055.98
4. Step 4: Simplify right side
   2,353.60x = 3,722,878.61
5. Step 5: Solve for x
   x = 3,722,878.61/2,353.60
6. Step 6: Final answer
   x = 1,581.78