Finding the Fourth Proportional to 83,865.38, 115,734.22 and 46,139.63

Step by Step Solution

1. Step 1: Write the proportion equation
   83,865.38 : 115,734.22 = 46,139.63 : x
2. Step 2: Convert to fraction form
   83,865.38/115,734.22 = 46,139.63/x
3. Step 3: Cross multiply
   83,865.38x = 115,734.22 × 46,139.63
4. Step 4: Simplify right side
   83,865.38x = 5,339,933,395.12
5. Step 5: Solve for x
   x = 5,339,933,395.12/83,865.38
6. Step 6: Final answer
   x = 63,672.68