Finding the Fourth Proportional to 11,085.59, 16,631.56 and 3,694.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,085.59 : 16,631.56 = 3,694.88 : x
2. Step 2: Convert to fraction form
   11,085.59/16,631.56 = 3,694.88/x
3. Step 3: Cross multiply
   11,085.59x = 16,631.56 × 3,694.88
4. Step 4: Simplify right side
   11,085.59x = 61,451,664.61
5. Step 5: Solve for x
   x = 61,451,664.61/11,085.59
6. Step 6: Final answer
   x = 5,543.38