Finding the Fourth Proportional to 10,715.31, 16,074.80 and 3,696.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,715.31 : 16,074.80 = 3,696.05 : x
2. Step 2: Convert to fraction form
   10,715.31/16,074.80 = 3,696.05/x
3. Step 3: Cross multiply
   10,715.31x = 16,074.80 × 3,696.05
4. Step 4: Simplify right side
   10,715.31x = 59,413,165.69
5. Step 5: Solve for x
   x = 59,413,165.69/10,715.31
6. Step 6: Final answer
   x = 5,544.70