Finding the Fourth Proportional to 13,100.35, 19,650.72 and 7,293.87

Step by Step Solution

1. Step 1: Write the proportion equation
   13,100.35 : 19,650.72 = 7,293.87 : x
2. Step 2: Convert to fraction form
   13,100.35/19,650.72 = 7,293.87/x
3. Step 3: Cross multiply
   13,100.35x = 19,650.72 × 7,293.87
4. Step 4: Simplify right side
   13,100.35x = 143,329,797.09
5. Step 5: Solve for x
   x = 143,329,797.09/13,100.35
6. Step 6: Final answer
   x = 10,940.91