Finding the Fourth Proportional to 79,100.82, 118,678.68 and 45,849.78

Step by Step Solution

1. Step 1: Write the proportion equation
   79,100.82 : 118,678.68 = 45,849.78 : x
2. Step 2: Convert to fraction form
   79,100.82/118,678.68 = 45,849.78/x
3. Step 3: Cross multiply
   79,100.82x = 118,678.68 × 45,849.78
4. Step 4: Simplify right side
   79,100.82x = 5,441,391,368.69
5. Step 5: Solve for x
   x = 5,441,391,368.69/79,100.82
6. Step 6: Final answer
   x = 68,790.58