Finding the Fourth Proportional to 10,705.58, 16,060.96 and 3,685.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,705.58 : 16,060.96 = 3,685.72 : x
2. Step 2: Convert to fraction form
   10,705.58/16,060.96 = 3,685.72/x
3. Step 3: Cross multiply
   10,705.58x = 16,060.96 × 3,685.72
4. Step 4: Simplify right side
   10,705.58x = 59,196,201.49
5. Step 5: Solve for x
   x = 59,196,201.49/10,705.58
6. Step 6: Final answer
   x = 5,529.47