Finding the Fourth Proportional to 83,856.94, 115,724.67 and 45,618.63

Step by Step Solution

1. Step 1: Write the proportion equation
   83,856.94 : 115,724.67 = 45,618.63 : x
2. Step 2: Convert to fraction form
   83,856.94/115,724.67 = 45,618.63/x
3. Step 3: Cross multiply
   83,856.94x = 115,724.67 × 45,618.63
4. Step 4: Simplify right side
   83,856.94x = 5,279,200,297.56
5. Step 5: Solve for x
   x = 5,279,200,297.56/83,856.94
6. Step 6: Final answer
   x = 62,954.84