Finding the Fourth Proportional to 13,456.32, 18,569.49 and 7,487.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,456.32 : 18,569.49 = 7,487.82 : x
2. Step 2: Convert to fraction form
   13,456.32/18,569.49 = 7,487.82/x
3. Step 3: Cross multiply
   13,456.32x = 18,569.49 × 7,487.82
4. Step 4: Simplify right side
   13,456.32x = 139,044,998.61
5. Step 5: Solve for x
   x = 139,044,998.61/13,456.32
6. Step 6: Final answer
   x = 10,333.06