Finding the Fourth Proportional to 11,495.46, 17,209.17 and 7,098.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,495.46 : 17,209.17 = 7,098.78 : x
2. Step 2: Convert to fraction form
   11,495.46/17,209.17 = 7,098.78/x
3. Step 3: Cross multiply
   11,495.46x = 17,209.17 × 7,098.78
4. Step 4: Simplify right side
   11,495.46x = 122,164,111.81
5. Step 5: Solve for x
   x = 122,164,111.81/11,495.46
6. Step 6: Final answer
   x = 10,627.16