Finding the Fourth Proportional to 11,682.63, 17,531.84 and 5,105.02

Step by Step Solution

1. Step 1: Write the proportion equation
   11,682.63 : 17,531.84 = 5,105.02 : x
2. Step 2: Convert to fraction form
   11,682.63/17,531.84 = 5,105.02/x
3. Step 3: Cross multiply
   11,682.63x = 17,531.84 × 5,105.02
4. Step 4: Simplify right side
   11,682.63x = 89,500,368.31
5. Step 5: Solve for x
   x = 89,500,368.31/11,682.63
6. Step 6: Final answer
   x = 7,660.98