Finding the Fourth Proportional to 78,914.50, 108,905.25 and 45,380.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,914.50 : 108,905.25 = 45,380.50 : x
2. Step 2: Convert to fraction form
   78,914.50/108,905.25 = 45,380.50/x
3. Step 3: Cross multiply
   78,914.50x = 108,905.25 × 45,380.50
4. Step 4: Simplify right side
   78,914.50x = 4,942,174,697.63
5. Step 5: Solve for x
   x = 4,942,174,697.63/78,914.50
6. Step 6: Final answer
   x = 62,626.95