Finding the Fourth Proportional to 89,986.96, 124,114.89 and 79,789.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,986.96 : 124,114.89 = 79,789.96 : x
2. Step 2: Convert to fraction form
   89,986.96/124,114.89 = 79,789.96/x
3. Step 3: Cross multiply
   89,986.96x = 124,114.89 × 79,789.96
4. Step 4: Simplify right side
   89,986.96x = 9,903,122,108.50
5. Step 5: Solve for x
   x = 9,903,122,108.50/89,986.96
6. Step 6: Final answer
   x = 110,050.64