Finding the Fourth Proportional to 11,573.51, 17,353.58 and 10,189.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,573.51 : 17,353.58 = 10,189.62 : x
2. Step 2: Convert to fraction form
   11,573.51/17,353.58 = 10,189.62/x
3. Step 3: Cross multiply
   11,573.51x = 17,353.58 × 10,189.62
4. Step 4: Simplify right side
   11,573.51x = 176,826,334.89
5. Step 5: Solve for x
   x = 176,826,334.89/11,573.51
6. Step 6: Final answer
   x = 15,278.55