Finding the Fourth Proportional to 9,887.04, 13,644.46 and 5,410.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,887.04 : 13,644.46 = 5,410.79 : x
2. Step 2: Convert to fraction form
   9,887.04/13,644.46 = 5,410.79/x
3. Step 3: Cross multiply
   9,887.04x = 13,644.46 × 5,410.79
4. Step 4: Simplify right side
   9,887.04x = 73,827,307.72
5. Step 5: Solve for x
   x = 73,827,307.72/9,887.04
6. Step 6: Final answer
   x = 7,467.08