Finding the Fourth Proportional to 9,846.55, 13,588.57 and 5,370.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,846.55 : 13,588.57 = 5,370.54 : x
2. Step 2: Convert to fraction form
   9,846.55/13,588.57 = 5,370.54/x
3. Step 3: Cross multiply
   9,846.55x = 13,588.57 × 5,370.54
4. Step 4: Simplify right side
   9,846.55x = 72,977,965.85
5. Step 5: Solve for x
   x = 72,977,965.85/9,846.55
6. Step 6: Final answer
   x = 7,411.53