Finding the Fourth Proportional to 13,300.37, 18,354.18 and 7,331.91

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.37 : 18,354.18 = 7,331.91 : x
2. Step 2: Convert to fraction form
   13,300.37/18,354.18 = 7,331.91/x
3. Step 3: Cross multiply
   13,300.37x = 18,354.18 × 7,331.91
4. Step 4: Simplify right side
   13,300.37x = 134,571,195.88
5. Step 5: Solve for x
   x = 134,571,195.88/13,300.37
6. Step 6: Final answer
   x = 10,117.85