Finding the Fourth Proportional to 143,382.80, 215,067.98 and 43,540.76

Step by Step Solution

1. Step 1: Write the proportion equation
   143,382.80 : 215,067.98 = 43,540.76 : x
2. Step 2: Convert to fraction form
   143,382.80/215,067.98 = 43,540.76/x
3. Step 3: Cross multiply
   143,382.80x = 215,067.98 × 43,540.76
4. Step 4: Simplify right side
   143,382.80x = 9,364,223,300.86
5. Step 5: Solve for x
   x = 9,364,223,300.86/143,382.80
6. Step 6: Final answer
   x = 65,309.25