Finding the Fourth Proportional to 9,846.82, 13,588.55 and 5,370.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,846.82 : 13,588.55 = 5,370.55 : x
2. Step 2: Convert to fraction form
   9,846.82/13,588.55 = 5,370.55/x
3. Step 3: Cross multiply
   9,846.82x = 13,588.55 × 5,370.55
4. Step 4: Simplify right side
   9,846.82x = 72,977,892.41
5. Step 5: Solve for x
   x = 72,977,892.41/9,846.82
6. Step 6: Final answer
   x = 7,411.32