Finding the Fourth Proportional to 72,464.28, 99,958.34 and 45,564.20

Step by Step Solution

1. Step 1: Write the proportion equation
   72,464.28 : 99,958.34 = 45,564.20 : x
2. Step 2: Convert to fraction form
   72,464.28/99,958.34 = 45,564.20/x
3. Step 3: Cross multiply
   72,464.28x = 99,958.34 × 45,564.20
4. Step 4: Simplify right side
   72,464.28x = 4,554,521,795.43
5. Step 5: Solve for x
   x = 4,554,521,795.43/72,464.28
6. Step 6: Final answer
   x = 62,851.96