Finding the Fourth Proportional to 79,878.34, 119,832.87 and 30,626.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,878.34 : 119,832.87 = 30,626.50 : x
2. Step 2: Convert to fraction form
   79,878.34/119,832.87 = 30,626.50/x
3. Step 3: Cross multiply
   79,878.34x = 119,832.87 × 30,626.50
4. Step 4: Simplify right side
   79,878.34x = 3,670,061,393.06
5. Step 5: Solve for x
   x = 3,670,061,393.06/79,878.34
6. Step 6: Final answer
   x = 45,945.64