Finding the Fourth Proportional to 7,818.98, 10,789.78 and 4,281.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,818.98 : 10,789.78 = 4,281.50 : x
2. Step 2: Convert to fraction form
   7,818.98/10,789.78 = 4,281.50/x
3. Step 3: Cross multiply
   7,818.98x = 10,789.78 × 4,281.50
4. Step 4: Simplify right side
   7,818.98x = 46,196,459.34
5. Step 5: Solve for x
   x = 46,196,459.34/7,818.98
6. Step 6: Final answer
   x = 5,908.25