Finding the Fourth Proportional to 79,608.34, 109,813.89 and 49,748.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,608.34 : 109,813.89 = 49,748.50 : x
2. Step 2: Convert to fraction form
   79,608.34/109,813.89 = 49,748.50/x
3. Step 3: Cross multiply
   79,608.34x = 109,813.89 × 49,748.50
4. Step 4: Simplify right side
   79,608.34x = 5,463,076,306.67
5. Step 5: Solve for x
   x = 5,463,076,306.67/79,608.34
6. Step 6: Final answer
   x = 68,624.42