Finding the Fourth Proportional to 11,499.30, 17,235.45 and 11,376.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,499.30 : 17,235.45 = 11,376.18 : x
2. Step 2: Convert to fraction form
   11,499.30/17,235.45 = 11,376.18/x
3. Step 3: Cross multiply
   11,499.30x = 17,235.45 × 11,376.18
4. Step 4: Simplify right side
   11,499.30x = 196,073,581.58
5. Step 5: Solve for x
   x = 196,073,581.58/11,499.30
6. Step 6: Final answer
   x = 17,050.91