Finding the Fourth Proportional to 11,572.18, 15,969.89 and 7,098.39

Step by Step Solution

1. Step 1: Write the proportion equation
   11,572.18 : 15,969.89 = 7,098.39 : x
2. Step 2: Convert to fraction form
   11,572.18/15,969.89 = 7,098.39/x
3. Step 3: Cross multiply
   11,572.18x = 15,969.89 × 7,098.39
4. Step 4: Simplify right side
   11,572.18x = 113,360,525.22
5. Step 5: Solve for x
   x = 113,360,525.22/11,572.18
6. Step 6: Final answer
   x = 9,795.95