Finding the Fourth Proportional to 11,039.74, 16,560.52 and 3,142.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,039.74 : 16,560.52 = 3,142.84 : x
2. Step 2: Convert to fraction form
   11,039.74/16,560.52 = 3,142.84/x
3. Step 3: Cross multiply
   11,039.74x = 16,560.52 × 3,142.84
4. Step 4: Simplify right side
   11,039.74x = 52,047,064.68
5. Step 5: Solve for x
   x = 52,047,064.68/11,039.74
6. Step 6: Final answer
   x = 4,714.52