Finding the Fourth Proportional to 10,961.47, 16,438.38 and 3,564.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,961.47 : 16,438.38 = 3,564.55 : x
2. Step 2: Convert to fraction form
   10,961.47/16,438.38 = 3,564.55/x
3. Step 3: Cross multiply
   10,961.47x = 16,438.38 × 3,564.55
4. Step 4: Simplify right side
   10,961.47x = 58,595,427.43
5. Step 5: Solve for x
   x = 58,595,427.43/10,961.47
6. Step 6: Final answer
   x = 5,345.58