Finding the Fourth Proportional to 11,820.45, 16,321.74 and 8,051.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,820.45 : 16,321.74 = 8,051.52 : x
2. Step 2: Convert to fraction form
   11,820.45/16,321.74 = 8,051.52/x
3. Step 3: Cross multiply
   11,820.45x = 16,321.74 × 8,051.52
4. Step 4: Simplify right side
   11,820.45x = 131,414,816.04
5. Step 5: Solve for x
   x = 131,414,816.04/11,820.45
6. Step 6: Final answer
   x = 11,117.58