Finding the Fourth Proportional to 11,015.57, 15,201.59 and 5,979.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,015.57 : 15,201.59 = 5,979.84 : x
2. Step 2: Convert to fraction form
   11,015.57/15,201.59 = 5,979.84/x
3. Step 3: Cross multiply
   11,015.57x = 15,201.59 × 5,979.84
4. Step 4: Simplify right side
   11,015.57x = 90,903,075.95
5. Step 5: Solve for x
   x = 90,903,075.95/11,015.57
6. Step 6: Final answer
   x = 8,252.24