Finding the Fourth Proportional to 11,462.22, 15,809.67 and 10,521

Step by Step Solution

1. Step 1: Write the proportion equation
   11,462.22 : 15,809.67 = 10,521 : x
2. Step 2: Convert to fraction form
   11,462.22/15,809.67 = 10,521/x
3. Step 3: Cross multiply
   11,462.22x = 15,809.67 × 10,521
4. Step 4: Simplify right side
   11,462.22x = 166,333,538.07
5. Step 5: Solve for x
   x = 166,333,538.07/11,462.22
6. Step 6: Final answer
   x = 14,511.46