Finding the Fourth Proportional to 7,053.35, 10,587.72 and 5,198.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,053.35 : 10,587.72 = 5,198.72 : x
2. Step 2: Convert to fraction form
   7,053.35/10,587.72 = 5,198.72/x
3. Step 3: Cross multiply
   7,053.35x = 10,587.72 × 5,198.72
4. Step 4: Simplify right side
   7,053.35x = 55,042,591.72
5. Step 5: Solve for x
   x = 55,042,591.72/7,053.35
6. Step 6: Final answer
   x = 7,803.75