Finding the Fourth Proportional to 11,116.77, 15,346.72 and 8,593.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,116.77 : 15,346.72 = 8,593.18 : x
2. Step 2: Convert to fraction form
   11,116.77/15,346.72 = 8,593.18/x
3. Step 3: Cross multiply
   11,116.77x = 15,346.72 × 8,593.18
4. Step 4: Simplify right side
   11,116.77x = 131,877,127.37
5. Step 5: Solve for x
   x = 131,877,127.37/11,116.77
6. Step 6: Final answer
   x = 11,862.90