Finding the Fourth Proportional to 122,039.41, 182,316.96 and 78,994.18

Step by Step Solution

1. Step 1: Write the proportion equation
   122,039.41 : 182,316.96 = 78,994.18 : x
2. Step 2: Convert to fraction form
   122,039.41/182,316.96 = 78,994.18/x
3. Step 3: Cross multiply
   122,039.41x = 182,316.96 × 78,994.18
4. Step 4: Simplify right side
   122,039.41x = 14,401,978,755.29
5. Step 5: Solve for x
   x = 14,401,978,755.29/122,039.41
6. Step 6: Final answer
   x = 118,010.89