Finding the Fourth Proportional to 79,505.73, 109,672.20 and 49,645.89

Step by Step Solution

1. Step 1: Write the proportion equation
   79,505.73 : 109,672.20 = 49,645.89 : x
2. Step 2: Convert to fraction form
   79,505.73/109,672.20 = 49,645.89/x
3. Step 3: Cross multiply
   79,505.73x = 109,672.20 × 49,645.89
4. Step 4: Simplify right side
   79,505.73x = 5,444,773,977.26
5. Step 5: Solve for x
   x = 5,444,773,977.26/79,505.73
6. Step 6: Final answer
   x = 68,482.79