Finding the Fourth Proportional to 13,043, 17,992.72 and 8,254.86

Step by Step Solution

1. Step 1: Write the proportion equation
   13,043 : 17,992.72 = 8,254.86 : x
2. Step 2: Convert to fraction form
   13,043/17,992.72 = 8,254.86/x
3. Step 3: Cross multiply
   13,043x = 17,992.72 × 8,254.86
4. Step 4: Simplify right side
   13,043x = 148,527,384.62
5. Step 5: Solve for x
   x = 148,527,384.62/13,043
6. Step 6: Final answer
   x = 11,387.52