Finding the Fourth Proportional to 11,647.97, 16,070.69 and 10,525.31

Step by Step Solution

1. Step 1: Write the proportion equation
   11,647.97 : 16,070.69 = 10,525.31 : x
2. Step 2: Convert to fraction form
   11,647.97/16,070.69 = 10,525.31/x
3. Step 3: Cross multiply
   11,647.97x = 16,070.69 × 10,525.31
4. Step 4: Simplify right side
   11,647.97x = 169,148,861.18
5. Step 5: Solve for x
   x = 169,148,861.18/11,647.97
6. Step 6: Final answer
   x = 14,521.75