Finding the Fourth Proportional to 10,436.82, 15,656.85 and 3,510.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,436.82 : 15,656.85 = 3,510.78 : x
2. Step 2: Convert to fraction form
   10,436.82/15,656.85 = 3,510.78/x
3. Step 3: Cross multiply
   10,436.82x = 15,656.85 × 3,510.78
4. Step 4: Simplify right side
   10,436.82x = 54,967,755.84
5. Step 5: Solve for x
   x = 54,967,755.84/10,436.82
6. Step 6: Final answer
   x = 5,266.71