Finding the Fourth Proportional to 10,488.05, 15,743.01 and 4,648.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,488.05 : 15,743.01 = 4,648.76 : x
2. Step 2: Convert to fraction form
   10,488.05/15,743.01 = 4,648.76/x
3. Step 3: Cross multiply
   10,488.05x = 15,743.01 × 4,648.76
4. Step 4: Simplify right side
   10,488.05x = 73,185,396.45
5. Step 5: Solve for x
   x = 73,185,396.45/10,488.05
6. Step 6: Final answer
   x = 6,977.98