Finding the Fourth Proportional to 5,196.64, 7,745.60 and 5,058.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.64 : 7,745.60 = 5,058.16 : x
2. Step 2: Convert to fraction form
   5,196.64/7,745.60 = 5,058.16/x
3. Step 3: Cross multiply
   5,196.64x = 7,745.60 × 5,058.16
4. Step 4: Simplify right side
   5,196.64x = 39,178,484.10
5. Step 5: Solve for x
   x = 39,178,484.10/5,196.64
6. Step 6: Final answer
   x = 7,539.20