Finding the Fourth Proportional to 5,554.94, 7,664.88 and 3,317.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,554.94 : 7,664.88 = 3,317.72 : x
2. Step 2: Convert to fraction form
   5,554.94/7,664.88 = 3,317.72/x
3. Step 3: Cross multiply
   5,554.94x = 7,664.88 × 3,317.72
4. Step 4: Simplify right side
   5,554.94x = 25,429,925.67
5. Step 5: Solve for x
   x = 25,429,925.67/5,554.94
6. Step 6: Final answer
   x = 4,577.89