Finding the Fourth Proportional to 11,300.34, 15,584.61 and 8,474.07

Step by Step Solution

1. Step 1: Write the proportion equation
   11,300.34 : 15,584.61 = 8,474.07 : x
2. Step 2: Convert to fraction form
   11,300.34/15,584.61 = 8,474.07/x
3. Step 3: Cross multiply
   11,300.34x = 15,584.61 × 8,474.07
4. Step 4: Simplify right side
   11,300.34x = 132,065,076.06
5. Step 5: Solve for x
   x = 132,065,076.06/11,300.34
6. Step 6: Final answer
   x = 11,686.82