Finding the Fourth Proportional to 8,554.32, 11,800.89 and 5,569.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,554.32 : 11,800.89 = 5,569.05 : x
2. Step 2: Convert to fraction form
   8,554.32/11,800.89 = 5,569.05/x
3. Step 3: Cross multiply
   8,554.32x = 11,800.89 × 5,569.05
4. Step 4: Simplify right side
   8,554.32x = 65,719,746.45
5. Step 5: Solve for x
   x = 65,719,746.45/8,554.32
6. Step 6: Final answer
   x = 7,682.64