Finding the Fourth Proportional to 31,133.43, 46,700.31 and 7,759.86

Step by Step Solution

1. Step 1: Write the proportion equation
   31,133.43 : 46,700.31 = 7,759.86 : x
2. Step 2: Convert to fraction form
   31,133.43/46,700.31 = 7,759.86/x
3. Step 3: Cross multiply
   31,133.43x = 46,700.31 × 7,759.86
4. Step 4: Simplify right side
   31,133.43x = 362,388,017.15
5. Step 5: Solve for x
   x = 362,388,017.15/31,133.43
6. Step 6: Final answer
   x = 11,639.84