Finding the Fourth Proportional to 2,300.05, 3,173.85 and 1,291.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.05 : 3,173.85 = 1,291.52 : x
2. Step 2: Convert to fraction form
   2,300.05/3,173.85 = 1,291.52/x
3. Step 3: Cross multiply
   2,300.05x = 3,173.85 × 1,291.52
4. Step 4: Simplify right side
   2,300.05x = 4,099,092.23
5. Step 5: Solve for x
   x = 4,099,092.23/2,300.05
6. Step 6: Final answer
   x = 1,782.18