Finding the Fourth Proportional to 80,858.29, 121,300.41 and 34,118.05

Step by Step Solution

1. Step 1: Write the proportion equation
   80,858.29 : 121,300.41 = 34,118.05 : x
2. Step 2: Convert to fraction form
   80,858.29/121,300.41 = 34,118.05/x
3. Step 3: Cross multiply
   80,858.29x = 121,300.41 × 34,118.05
4. Step 4: Simplify right side
   80,858.29x = 4,138,533,453.40
5. Step 5: Solve for x
   x = 4,138,533,453.40/80,858.29
6. Step 6: Final answer
   x = 51,182.55