Finding the Fourth Proportional to 79,581.72, 119,380.38 and 28,994.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,581.72 : 119,380.38 = 28,994.50 : x
2. Step 2: Convert to fraction form
   79,581.72/119,380.38 = 28,994.50/x
3. Step 3: Cross multiply
   79,581.72x = 119,380.38 × 28,994.50
4. Step 4: Simplify right side
   79,581.72x = 3,461,374,427.91
5. Step 5: Solve for x
   x = 3,461,374,427.91/79,581.72
6. Step 6: Final answer
   x = 43,494.59