Finding the Fourth Proportional to 2,379.91, 3,570.15 and 736.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.91 : 3,570.15 = 736.61 : x
2. Step 2: Convert to fraction form
   2,379.91/3,570.15 = 736.61/x
3. Step 3: Cross multiply
   2,379.91x = 3,570.15 × 736.61
4. Step 4: Simplify right side
   2,379.91x = 2,629,808.19
5. Step 5: Solve for x
   x = 2,629,808.19/2,379.91
6. Step 6: Final answer
   x = 1,105.01