Finding the Fourth Proportional to 11,077.10, 15,277.76 and 7,098.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,077.10 : 15,277.76 = 7,098.59 : x
2. Step 2: Convert to fraction form
   11,077.10/15,277.76 = 7,098.59/x
3. Step 3: Cross multiply
   11,077.10x = 15,277.76 × 7,098.59
4. Step 4: Simplify right side
   11,077.10x = 108,450,469.10
5. Step 5: Solve for x
   x = 108,450,469.10/11,077.10
6. Step 6: Final answer
   x = 9,790.51