Finding the Fourth Proportional to 13,300.61, 18,354.90 and 7,332.15

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.61 : 18,354.90 = 7,332.15 : x
2. Step 2: Convert to fraction form
   13,300.61/18,354.90 = 7,332.15/x
3. Step 3: Cross multiply
   13,300.61x = 18,354.90 × 7,332.15
4. Step 4: Simplify right side
   13,300.61x = 134,580,880.04
5. Step 5: Solve for x
   x = 134,580,880.04/13,300.61
6. Step 6: Final answer
   x = 10,118.40