Finding the Fourth Proportional to 5,103.69, 7,656.48 and 1,818.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,103.69 : 7,656.48 = 1,818.69 : x
2. Step 2: Convert to fraction form
   5,103.69/7,656.48 = 1,818.69/x
3. Step 3: Cross multiply
   5,103.69x = 7,656.48 × 1,818.69
4. Step 4: Simplify right side
   5,103.69x = 13,924,763.61
5. Step 5: Solve for x
   x = 13,924,763.61/5,103.69
6. Step 6: Final answer
   x = 2,728.37