Finding the Fourth Proportional to 72,632.97, 100,215.88 and 42,401

Step by Step Solution

1. Step 1: Write the proportion equation
   72,632.97 : 100,215.88 = 42,401 : x
2. Step 2: Convert to fraction form
   72,632.97/100,215.88 = 42,401/x
3. Step 3: Cross multiply
   72,632.97x = 100,215.88 × 42,401
4. Step 4: Simplify right side
   72,632.97x = 4,249,253,527.88
5. Step 5: Solve for x
   x = 4,249,253,527.88/72,632.97
6. Step 6: Final answer
   x = 58,503.09