Finding the Fourth Proportional to 72,458.72, 99,993.02 and 40,627.62

Step by Step Solution

1. Step 1: Write the proportion equation
   72,458.72 : 99,993.02 = 40,627.62 : x
2. Step 2: Convert to fraction form
   72,458.72/99,993.02 = 40,627.62/x
3. Step 3: Cross multiply
   72,458.72x = 99,993.02 × 40,627.62
4. Step 4: Simplify right side
   72,458.72x = 4,062,478,419.21
5. Step 5: Solve for x
   x = 4,062,478,419.21/72,458.72
6. Step 6: Final answer
   x = 56,066.11