Finding the Fourth Proportional to 45,715.59, 62,947.33 and 40,018.46

Step by Step Solution

1. Step 1: Write the proportion equation
   45,715.59 : 62,947.33 = 40,018.46 : x
2. Step 2: Convert to fraction form
   45,715.59/62,947.33 = 40,018.46/x
3. Step 3: Cross multiply
   45,715.59x = 62,947.33 × 40,018.46
4. Step 4: Simplify right side
   45,715.59x = 2,519,054,792.93
5. Step 5: Solve for x
   x = 2,519,054,792.93/45,715.59
6. Step 6: Final answer
   x = 55,102.75