Finding the Fourth Proportional to 80,904, 121,373.92 and 34,196.80

Step by Step Solution

1. Step 1: Write the proportion equation
   80,904 : 121,373.92 = 34,196.80 : x
2. Step 2: Convert to fraction form
   80,904/121,373.92 = 34,196.80/x
3. Step 3: Cross multiply
   80,904x = 121,373.92 × 34,196.80
4. Step 4: Simplify right side
   80,904x = 4,150,599,667.46
5. Step 5: Solve for x
   x = 4,150,599,667.46/80,904
6. Step 6: Final answer
   x = 51,302.77