Finding the Fourth Proportional to 5,570.37, 8,347.32 and 5,160.33

Step by Step Solution

1. Step 1: Write the proportion equation
   5,570.37 : 8,347.32 = 5,160.33 : x
2. Step 2: Convert to fraction form
   5,570.37/8,347.32 = 5,160.33/x
3. Step 3: Cross multiply
   5,570.37x = 8,347.32 × 5,160.33
4. Step 4: Simplify right side
   5,570.37x = 43,074,925.82
5. Step 5: Solve for x
   x = 43,074,925.82/5,570.37
6. Step 6: Final answer
   x = 7,732.87