Finding the Fourth Proportional to 11,661.46, 17,499.27 and 4,735.78

Step by Step Solution

1. Step 1: Write the proportion equation
   11,661.46 : 17,499.27 = 4,735.78 : x
2. Step 2: Convert to fraction form
   11,661.46/17,499.27 = 4,735.78/x
3. Step 3: Cross multiply
   11,661.46x = 17,499.27 × 4,735.78
4. Step 4: Simplify right side
   11,661.46x = 82,872,692.88
5. Step 5: Solve for x
   x = 82,872,692.88/11,661.46
6. Step 6: Final answer
   x = 7,106.55