Finding the Fourth Proportional to 13,048.62, 18,005.88 and 7,383.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,048.62 : 18,005.88 = 7,383.86 : x
2. Step 2: Convert to fraction form
   13,048.62/18,005.88 = 7,383.86/x
3. Step 3: Cross multiply
   13,048.62x = 18,005.88 × 7,383.86
4. Step 4: Simplify right side
   13,048.62x = 132,952,897.10
5. Step 5: Solve for x
   x = 132,952,897.10/13,048.62
6. Step 6: Final answer
   x = 10,189.04