Finding the Fourth Proportional to 11,757.42, 17,631.67 and 4,735.05

Step by Step Solution

1. Step 1: Write the proportion equation
   11,757.42 : 17,631.67 = 4,735.05 : x
2. Step 2: Convert to fraction form
   11,757.42/17,631.67 = 4,735.05/x
3. Step 3: Cross multiply
   11,757.42x = 17,631.67 × 4,735.05
4. Step 4: Simplify right side
   11,757.42x = 83,486,839.03
5. Step 5: Solve for x
   x = 83,486,839.03/11,757.42
6. Step 6: Final answer
   x = 7,100.78