Finding the Fourth Proportional to 72,066.22, 99,401.37 and 49,407.24

Step by Step Solution

1. Step 1: Write the proportion equation
   72,066.22 : 99,401.37 = 49,407.24 : x
2. Step 2: Convert to fraction form
   72,066.22/99,401.37 = 49,407.24/x
3. Step 3: Cross multiply
   72,066.22x = 99,401.37 × 49,407.24
4. Step 4: Simplify right side
   72,066.22x = 4,911,147,343.92
5. Step 5: Solve for x
   x = 4,911,147,343.92/72,066.22
6. Step 6: Final answer
   x = 68,147.70