Finding the Fourth Proportional to 11,087.59, 15,303.45 and 7,311.44

Step by Step Solution

1. Step 1: Write the proportion equation
   11,087.59 : 15,303.45 = 7,311.44 : x
2. Step 2: Convert to fraction form
   11,087.59/15,303.45 = 7,311.44/x
3. Step 3: Cross multiply
   11,087.59x = 15,303.45 × 7,311.44
4. Step 4: Simplify right side
   11,087.59x = 111,890,256.47
5. Step 5: Solve for x
   x = 111,890,256.47/11,087.59
6. Step 6: Final answer
   x = 10,091.49