Finding the Fourth Proportional to 9,887.01, 13,644.03 and 5,349.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,887.01 : 13,644.03 = 5,349.67 : x
2. Step 2: Convert to fraction form
   9,887.01/13,644.03 = 5,349.67/x
3. Step 3: Cross multiply
   9,887.01x = 13,644.03 × 5,349.67
4. Step 4: Simplify right side
   9,887.01x = 72,991,054.96
5. Step 5: Solve for x
   x = 72,991,054.96/9,887.01
6. Step 6: Final answer
   x = 7,382.52