Finding the Fourth Proportional to 9,887.04, 13,643.94 and 5,410.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,887.04 : 13,643.94 = 5,410.71 : x
2. Step 2: Convert to fraction form
   9,887.04/13,643.94 = 5,410.71/x
3. Step 3: Cross multiply
   9,887.04x = 13,643.94 × 5,410.71
4. Step 4: Simplify right side
   9,887.04x = 73,823,402.60
5. Step 5: Solve for x
   x = 73,823,402.60/9,887.04
6. Step 6: Final answer
   x = 7,466.68