Finding the Fourth Proportional to 79,705.69, 109,984.30 and 45,712.42

Step by Step Solution

1. Step 1: Write the proportion equation
   79,705.69 : 109,984.30 = 45,712.42 : x
2. Step 2: Convert to fraction form
   79,705.69/109,984.30 = 45,712.42/x
3. Step 3: Cross multiply
   79,705.69x = 109,984.30 × 45,712.42
4. Step 4: Simplify right side
   79,705.69x = 5,027,648,125.76
5. Step 5: Solve for x
   x = 5,027,648,125.76/79,705.69
6. Step 6: Final answer
   x = 63,077.66