Finding the Fourth Proportional to 10,005.36, 14,980.68 and 7,234.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,005.36 : 14,980.68 = 7,234.80 : x
2. Step 2: Convert to fraction form
   10,005.36/14,980.68 = 7,234.80/x
3. Step 3: Cross multiply
   10,005.36x = 14,980.68 × 7,234.80
4. Step 4: Simplify right side
   10,005.36x = 108,382,223.66
5. Step 5: Solve for x
   x = 108,382,223.66/10,005.36
6. Step 6: Final answer
   x = 10,832.42