Finding the Fourth Proportional to 2,818.86, 4,225.45 and 1,259.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,818.86 : 4,225.45 = 1,259.67 : x
2. Step 2: Convert to fraction form
   2,818.86/4,225.45 = 1,259.67/x
3. Step 3: Cross multiply
   2,818.86x = 4,225.45 × 1,259.67
4. Step 4: Simplify right side
   2,818.86x = 5,322,672.60
5. Step 5: Solve for x
   x = 5,322,672.60/2,818.86
6. Step 6: Final answer
   x = 1,888.24