Finding the Fourth Proportional to 10,886.03, 16,336.34 and 3,865.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,886.03 : 16,336.34 = 3,865.76 : x
2. Step 2: Convert to fraction form
   10,886.03/16,336.34 = 3,865.76/x
3. Step 3: Cross multiply
   10,886.03x = 16,336.34 × 3,865.76
4. Step 4: Simplify right side
   10,886.03x = 63,152,350.39
5. Step 5: Solve for x
   x = 63,152,350.39/10,886.03
6. Step 6: Final answer
   x = 5,801.23