Finding the Fourth Proportional to 5,074.72, 7,577.78 and 4,152.08

Step by Step Solution

1. Step 1: Write the proportion equation
   5,074.72 : 7,577.78 = 4,152.08 : x
2. Step 2: Convert to fraction form
   5,074.72/7,577.78 = 4,152.08/x
3. Step 3: Cross multiply
   5,074.72x = 7,577.78 × 4,152.08
4. Step 4: Simplify right side
   5,074.72x = 31,463,548.78
5. Step 5: Solve for x
   x = 31,463,548.78/5,074.72
6. Step 6: Final answer
   x = 6,200.06