Finding the Fourth Proportional to 11,673.32, 17,493.56 and 5,085.70

Step by Step Solution

1. Step 1: Write the proportion equation
   11,673.32 : 17,493.56 = 5,085.70 : x
2. Step 2: Convert to fraction form
   11,673.32/17,493.56 = 5,085.70/x
3. Step 3: Cross multiply
   11,673.32x = 17,493.56 × 5,085.70
4. Step 4: Simplify right side
   11,673.32x = 88,966,998.09
5. Step 5: Solve for x
   x = 88,966,998.09/11,673.32
6. Step 6: Final answer
   x = 7,621.40