Finding the Fourth Proportional to 5,502.72, 7,607.86 and 4,174.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,502.72 : 7,607.86 = 4,174.32 : x
2. Step 2: Convert to fraction form
   5,502.72/7,607.86 = 4,174.32/x
3. Step 3: Cross multiply
   5,502.72x = 7,607.86 × 4,174.32
4. Step 4: Simplify right side
   5,502.72x = 31,757,642.16
5. Step 5: Solve for x
   x = 31,757,642.16/5,502.72
6. Step 6: Final answer
   x = 5,771.26