Finding the Fourth Proportional to 79,439.58, 109,629.18 and 45,905.58

Step by Step Solution

1. Step 1: Write the proportion equation
   79,439.58 : 109,629.18 = 45,905.58 : x
2. Step 2: Convert to fraction form
   79,439.58/109,629.18 = 45,905.58/x
3. Step 3: Cross multiply
   79,439.58x = 109,629.18 × 45,905.58
4. Step 4: Simplify right side
   79,439.58x = 5,032,591,092.82
5. Step 5: Solve for x
   x = 5,032,591,092.82/79,439.58
6. Step 6: Final answer
   x = 63,351.18