Finding the Fourth Proportional to 7,017.27, 10,523.80 and 5,781.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,017.27 : 10,523.80 = 5,781.61 : x
2. Step 2: Convert to fraction form
   7,017.27/10,523.80 = 5,781.61/x
3. Step 3: Cross multiply
   7,017.27x = 10,523.80 × 5,781.61
4. Step 4: Simplify right side
   7,017.27x = 60,844,507.32
5. Step 5: Solve for x
   x = 60,844,507.32/7,017.27
6. Step 6: Final answer
   x = 8,670.68