Finding the Fourth Proportional to 11,417.58, 17,099.40 and 7,894.47

Step by Step Solution

1. Step 1: Write the proportion equation
   11,417.58 : 17,099.40 = 7,894.47 : x
2. Step 2: Convert to fraction form
   11,417.58/17,099.40 = 7,894.47/x
3. Step 3: Cross multiply
   11,417.58x = 17,099.40 × 7,894.47
4. Step 4: Simplify right side
   11,417.58x = 134,990,700.32
5. Step 5: Solve for x
   x = 134,990,700.32/11,417.58
6. Step 6: Final answer
   x = 11,823.06