Finding the Fourth Proportional to 2,245.86, 3,362.49 and 1,147.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.86 : 3,362.49 = 1,147.86 : x
2. Step 2: Convert to fraction form
   2,245.86/3,362.49 = 1,147.86/x
3. Step 3: Cross multiply
   2,245.86x = 3,362.49 × 1,147.86
4. Step 4: Simplify right side
   2,245.86x = 3,859,667.77
5. Step 5: Solve for x
   x = 3,859,667.77/2,245.86
6. Step 6: Final answer
   x = 1,718.57