Finding the Fourth Proportional to 78,964.14, 118,528.25 and 45,749.10

Step by Step Solution

1. Step 1: Write the proportion equation
   78,964.14 : 118,528.25 = 45,749.10 : x
2. Step 2: Convert to fraction form
   78,964.14/118,528.25 = 45,749.10/x
3. Step 3: Cross multiply
   78,964.14x = 118,528.25 × 45,749.10
4. Step 4: Simplify right side
   78,964.14x = 5,422,560,533.33
5. Step 5: Solve for x
   x = 5,422,560,533.33/78,964.14
6. Step 6: Final answer
   x = 68,671.18