Finding the Fourth Proportional to 47,667.76, 71,479.42 and 17,680.79

Step by Step Solution

1. Step 1: Write the proportion equation
   47,667.76 : 71,479.42 = 17,680.79 : x
2. Step 2: Convert to fraction form
   47,667.76/71,479.42 = 17,680.79/x
3. Step 3: Cross multiply
   47,667.76x = 71,479.42 × 17,680.79
4. Step 4: Simplify right side
   47,667.76x = 1,263,812,748.84
5. Step 5: Solve for x
   x = 1,263,812,748.84/47,667.76
6. Step 6: Final answer
   x = 26,512.95