Finding the Fourth Proportional to 2,067.50, 3,101.80 and 913.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,067.50 : 3,101.80 = 913.52 : x
2. Step 2: Convert to fraction form
   2,067.50/3,101.80 = 913.52/x
3. Step 3: Cross multiply
   2,067.50x = 3,101.80 × 913.52
4. Step 4: Simplify right side
   2,067.50x = 2,833,556.34
5. Step 5: Solve for x
   x = 2,833,556.34/2,067.50
6. Step 6: Final answer
   x = 1,370.52