Finding the Fourth Proportional to 2,287.86, 3,152.89 and 2,245.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.86 : 3,152.89 = 2,245.74 : x
2. Step 2: Convert to fraction form
   2,287.86/3,152.89 = 2,245.74/x
3. Step 3: Cross multiply
   2,287.86x = 3,152.89 × 2,245.74
4. Step 4: Simplify right side
   2,287.86x = 7,080,571.19
5. Step 5: Solve for x
   x = 7,080,571.19/2,287.86
6. Step 6: Final answer
   x = 3,094.84