Finding the Fourth Proportional to 143,018.84, 197,367.36 and 79,362.56

Step by Step Solution

1. Step 1: Write the proportion equation
   143,018.84 : 197,367.36 = 79,362.56 : x
2. Step 2: Convert to fraction form
   143,018.84/197,367.36 = 79,362.56/x
3. Step 3: Cross multiply
   143,018.84x = 197,367.36 × 79,362.56
4. Step 4: Simplify right side
   143,018.84x = 15,663,578,950.04
5. Step 5: Solve for x
   x = 15,663,578,950.04/143,018.84
6. Step 6: Final answer
   x = 109,521.09