Finding the Fourth Proportional to 83,738.28, 115,558 and 46,011.72

Step by Step Solution

1. Step 1: Write the proportion equation
   83,738.28 : 115,558 = 46,011.72 : x
2. Step 2: Convert to fraction form
   83,738.28/115,558 = 46,011.72/x
3. Step 3: Cross multiply
   83,738.28x = 115,558 × 46,011.72
4. Step 4: Simplify right side
   83,738.28x = 5,317,022,339.76
5. Step 5: Solve for x
   x = 5,317,022,339.76/83,738.28
6. Step 6: Final answer
   x = 63,495.72