Finding the Fourth Proportional to 47,718.72, 71,098.56 and 45,036

Step by Step Solution

1. Step 1: Write the proportion equation
   47,718.72 : 71,098.56 = 45,036 : x
2. Step 2: Convert to fraction form
   47,718.72/71,098.56 = 45,036/x
3. Step 3: Cross multiply
   47,718.72x = 71,098.56 × 45,036
4. Step 4: Simplify right side
   47,718.72x = 3,201,994,748.16
5. Step 5: Solve for x
   x = 3,201,994,748.16/47,718.72
6. Step 6: Final answer
   x = 67,101.44