Finding the Fourth Proportional to 5,670.72, 7,823.52 and 3,577.68

Step by Step Solution

1. Step 1: Write the proportion equation
   5,670.72 : 7,823.52 = 3,577.68 : x
2. Step 2: Convert to fraction form
   5,670.72/7,823.52 = 3,577.68/x
3. Step 3: Cross multiply
   5,670.72x = 7,823.52 × 3,577.68
4. Step 4: Simplify right side
   5,670.72x = 27,990,051.03
5. Step 5: Solve for x
   x = 27,990,051.03/5,670.72
6. Step 6: Final answer
   x = 4,935.89