Finding the Fourth Proportional to 143,123.67, 197,519.58 and 79,462.53

Step by Step Solution

1. Step 1: Write the proportion equation
   143,123.67 : 197,519.58 = 79,462.53 : x
2. Step 2: Convert to fraction form
   143,123.67/197,519.58 = 79,462.53/x
3. Step 3: Cross multiply
   143,123.67x = 197,519.58 × 79,462.53
4. Step 4: Simplify right side
   143,123.67x = 15,695,405,551.34
5. Step 5: Solve for x
   x = 15,695,405,551.34/143,123.67
6. Step 6: Final answer
   x = 109,663.24