Finding the Fourth Proportional to 80,748.84, 121,128.12 and 34,005.36

Step by Step Solution

1. Step 1: Write the proportion equation
   80,748.84 : 121,128.12 = 34,005.36 : x
2. Step 2: Convert to fraction form
   80,748.84/121,128.12 = 34,005.36/x
3. Step 3: Cross multiply
   80,748.84x = 121,128.12 × 34,005.36
4. Step 4: Simplify right side
   80,748.84x = 4,119,005,326.72
5. Step 5: Solve for x
   x = 4,119,005,326.72/80,748.84
6. Step 6: Final answer
   x = 51,010.09