Finding the Fourth Proportional to 9,846.67, 13,588.15 and 5,370.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,846.67 : 13,588.15 = 5,370.50 : x
2. Step 2: Convert to fraction form
   9,846.67/13,588.15 = 5,370.50/x
3. Step 3: Cross multiply
   9,846.67x = 13,588.15 × 5,370.50
4. Step 4: Simplify right side
   9,846.67x = 72,975,159.58
5. Step 5: Solve for x
   x = 72,975,159.58/9,846.67
6. Step 6: Final answer
   x = 7,411.15