Finding the Fourth Proportional to 8,404.32, 11,602.79 and 5,575.53

Step by Step Solution

1. Step 1: Write the proportion equation
   8,404.32 : 11,602.79 = 5,575.53 : x
2. Step 2: Convert to fraction form
   8,404.32/11,602.79 = 5,575.53/x
3. Step 3: Cross multiply
   8,404.32x = 11,602.79 × 5,575.53
4. Step 4: Simplify right side
   8,404.32x = 64,691,740.27
5. Step 5: Solve for x
   x = 64,691,740.27/8,404.32
6. Step 6: Final answer
   x = 7,697.44