Finding the Fourth Proportional to 79,318.50, 109,469.28 and 45,784.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,318.50 : 109,469.28 = 45,784.50 : x
2. Step 2: Convert to fraction form
   79,318.50/109,469.28 = 45,784.50/x
3. Step 3: Cross multiply
   79,318.50x = 109,469.28 × 45,784.50
4. Step 4: Simplify right side
   79,318.50x = 5,011,996,250.16
5. Step 5: Solve for x
   x = 5,011,996,250.16/79,318.50
6. Step 6: Final answer
   x = 63,188.24