Finding the Fourth Proportional to 10,001.82, 15,018.15 and 8,462.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,001.82 : 15,018.15 = 8,462.06 : x
2. Step 2: Convert to fraction form
   10,001.82/15,018.15 = 8,462.06/x
3. Step 3: Cross multiply
   10,001.82x = 15,018.15 × 8,462.06
4. Step 4: Simplify right side
   10,001.82x = 127,084,411.30
5. Step 5: Solve for x
   x = 127,084,411.30/10,001.82
6. Step 6: Final answer
   x = 12,706.13