Finding the Fourth Proportional to 79,200.14, 109,296.20 and 47,376.56

Step by Step Solution

1. Step 1: Write the proportion equation
   79,200.14 : 109,296.20 = 47,376.56 : x
2. Step 2: Convert to fraction form
   79,200.14/109,296.20 = 47,376.56/x
3. Step 3: Cross multiply
   79,200.14x = 109,296.20 × 47,376.56
4. Step 4: Simplify right side
   79,200.14x = 5,178,078,013.43
5. Step 5: Solve for x
   x = 5,178,078,013.43/79,200.14
6. Step 6: Final answer
   x = 65,379.66