Finding the Fourth Proportional to 2,103.86, 3,158.01 and 1,180.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.86 : 3,158.01 = 1,180.19 : x
2. Step 2: Convert to fraction form
   2,103.86/3,158.01 = 1,180.19/x
3. Step 3: Cross multiply
   2,103.86x = 3,158.01 × 1,180.19
4. Step 4: Simplify right side
   2,103.86x = 3,727,051.82
5. Step 5: Solve for x
   x = 3,727,051.82/2,103.86
6. Step 6: Final answer
   x = 1,771.53