Finding the Fourth Proportional to 5,557.98, 7,667.67 and 4,715.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,557.98 : 7,667.67 = 4,715.10 : x
2. Step 2: Convert to fraction form
   5,557.98/7,667.67 = 4,715.10/x
3. Step 3: Cross multiply
   5,557.98x = 7,667.67 × 4,715.10
4. Step 4: Simplify right side
   5,557.98x = 36,153,830.82
5. Step 5: Solve for x
   x = 36,153,830.82/5,557.98
6. Step 6: Final answer
   x = 6,504.85