Finding the Fourth Proportional to 7,101.98, 9,801.88 and 5,586.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,101.98 : 9,801.88 = 5,586.12 : x
2. Step 2: Convert to fraction form
   7,101.98/9,801.88 = 5,586.12/x
3. Step 3: Cross multiply
   7,101.98x = 9,801.88 × 5,586.12
4. Step 4: Simplify right side
   7,101.98x = 54,754,463.94
5. Step 5: Solve for x
   x = 54,754,463.94/7,101.98
6. Step 6: Final answer
   x = 7,709.74