Finding the Fourth Proportional to 143,061.98, 197,423.07 and 79,402.46

Step by Step Solution

1. Step 1: Write the proportion equation
   143,061.98 : 197,423.07 = 79,402.46 : x
2. Step 2: Convert to fraction form
   143,061.98/197,423.07 = 79,402.46/x
3. Step 3: Cross multiply
   143,061.98x = 197,423.07 × 79,402.46
4. Step 4: Simplify right side
   143,061.98x = 15,675,877,418.75
5. Step 5: Solve for x
   x = 15,675,877,418.75/143,061.98
6. Step 6: Final answer
   x = 109,574.03