Finding the Fourth Proportional to 8,404.88, 11,603.88 and 5,574.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,404.88 : 11,603.88 = 5,574.72 : x
2. Step 2: Convert to fraction form
   8,404.88/11,603.88 = 5,574.72/x
3. Step 3: Cross multiply
   8,404.88x = 11,603.88 × 5,574.72
4. Step 4: Simplify right side
   8,404.88x = 64,688,381.91
5. Step 5: Solve for x
   x = 64,688,381.91/8,404.88
6. Step 6: Final answer
   x = 7,696.53