Finding the Fourth Proportional to 9,953.94, 13,720.49 and 7,556.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,953.94 : 13,720.49 = 7,556.10 : x
2. Step 2: Convert to fraction form
   9,953.94/13,720.49 = 7,556.10/x
3. Step 3: Cross multiply
   9,953.94x = 13,720.49 × 7,556.10
4. Step 4: Simplify right side
   9,953.94x = 103,673,394.49
5. Step 5: Solve for x
   x = 103,673,394.49/9,953.94
6. Step 6: Final answer
   x = 10,415.31