Finding the Fourth Proportional to 13,026.34, 17,976.11 and 7,360.96

Step by Step Solution

1. Step 1: Write the proportion equation
   13,026.34 : 17,976.11 = 7,360.96 : x
2. Step 2: Convert to fraction form
   13,026.34/17,976.11 = 7,360.96/x
3. Step 3: Cross multiply
   13,026.34x = 17,976.11 × 7,360.96
4. Step 4: Simplify right side
   13,026.34x = 132,321,389.86
5. Step 5: Solve for x
   x = 132,321,389.86/13,026.34
6. Step 6: Final answer
   x = 10,157.99