Finding the Fourth Proportional to 10,569.33, 15,878.69 and 9,093.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,569.33 : 15,878.69 = 9,093.15 : x
2. Step 2: Convert to fraction form
   10,569.33/15,878.69 = 9,093.15/x
3. Step 3: Cross multiply
   10,569.33x = 15,878.69 × 9,093.15
4. Step 4: Simplify right side
   10,569.33x = 144,387,264.51
5. Step 5: Solve for x
   x = 144,387,264.51/10,569.33
6. Step 6: Final answer
   x = 13,660.97