Finding the Fourth Proportional to 124,475.14, 171,749.89 and 79,136.52

Step by Step Solution

1. Step 1: Write the proportion equation
   124,475.14 : 171,749.89 = 79,136.52 : x
2. Step 2: Convert to fraction form
   124,475.14/171,749.89 = 79,136.52/x
3. Step 3: Cross multiply
   124,475.14x = 171,749.89 × 79,136.52
4. Step 4: Simplify right side
   124,475.14x = 13,591,688,604.98
5. Step 5: Solve for x
   x = 13,591,688,604.98/124,475.14
6. Step 6: Final answer
   x = 109,191.99