Finding the Fourth Proportional to 80,948.56, 121,393.68 and 34,205.08

Step by Step Solution

1. Step 1: Write the proportion equation
   80,948.56 : 121,393.68 = 34,205.08 : x
2. Step 2: Convert to fraction form
   80,948.56/121,393.68 = 34,205.08/x
3. Step 3: Cross multiply
   80,948.56x = 121,393.68 × 34,205.08
4. Step 4: Simplify right side
   80,948.56x = 4,152,280,535.89
5. Step 5: Solve for x
   x = 4,152,280,535.89/80,948.56
6. Step 6: Final answer
   x = 51,295.30