Finding the Fourth Proportional to 72,030, 99,401.04 and 40,197

Step by Step Solution

1. Step 1: Write the proportion equation
   72,030 : 99,401.04 = 40,197 : x
2. Step 2: Convert to fraction form
   72,030/99,401.04 = 40,197/x
3. Step 3: Cross multiply
   72,030x = 99,401.04 × 40,197
4. Step 4: Simplify right side
   72,030x = 3,995,623,604.88
5. Step 5: Solve for x
   x = 3,995,623,604.88/72,030
6. Step 6: Final answer
   x = 55,471.66