Finding the Fourth Proportional to 79,481.30, 109,693.73 and 47,667.70

Step by Step Solution

1. Step 1: Write the proportion equation
   79,481.30 : 109,693.73 = 47,667.70 : x
2. Step 2: Convert to fraction form
   79,481.30/109,693.73 = 47,667.70/x
3. Step 3: Cross multiply
   79,481.30x = 109,693.73 × 47,667.70
4. Step 4: Simplify right side
   79,481.30x = 5,228,847,813.52
5. Step 5: Solve for x
   x = 5,228,847,813.52/79,481.30
6. Step 6: Final answer
   x = 65,787.15