Finding the Fourth Proportional to 13,011.12, 17,955.41 and 7,346.09

Step by Step Solution

1. Step 1: Write the proportion equation
   13,011.12 : 17,955.41 = 7,346.09 : x
2. Step 2: Convert to fraction form
   13,011.12/17,955.41 = 7,346.09/x
3. Step 3: Cross multiply
   13,011.12x = 17,955.41 × 7,346.09
4. Step 4: Simplify right side
   13,011.12x = 131,901,931.34
5. Step 5: Solve for x
   x = 131,901,931.34/13,011.12
6. Step 6: Final answer
   x = 10,137.63