Finding the Fourth Proportional to 7,113.61, 9,817.33 and 3,927.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,113.61 : 9,817.33 = 3,927.52 : x
2. Step 2: Convert to fraction form
   7,113.61/9,817.33 = 3,927.52/x
3. Step 3: Cross multiply
   7,113.61x = 9,817.33 × 3,927.52
4. Step 4: Simplify right side
   7,113.61x = 38,557,744.89
5. Step 5: Solve for x
   x = 38,557,744.89/7,113.61
6. Step 6: Final answer
   x = 5,420.28