Finding the Fourth Proportional to 11,762.16, 17,645.52 and 3,971.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,762.16 : 17,645.52 = 3,971.52 : x
2. Step 2: Convert to fraction form
   11,762.16/17,645.52 = 3,971.52/x
3. Step 3: Cross multiply
   11,762.16x = 17,645.52 × 3,971.52
4. Step 4: Simplify right side
   11,762.16x = 70,079,535.59
5. Step 5: Solve for x
   x = 70,079,535.59/11,762.16
6. Step 6: Final answer
   x = 5,958.05