Finding the Fourth Proportional to 1,346.63, 1,853.88 and 1,162.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,346.63 : 1,853.88 = 1,162.55 : x
2. Step 2: Convert to fraction form
   1,346.63/1,853.88 = 1,162.55/x
3. Step 3: Cross multiply
   1,346.63x = 1,853.88 × 1,162.55
4. Step 4: Simplify right side
   1,346.63x = 2,155,228.19
5. Step 5: Solve for x
   x = 2,155,228.19/1,346.63
6. Step 6: Final answer
   x = 1,600.46