Finding the Fourth Proportional to 47,565.72, 71,293.32 and 17,964.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,565.72 : 71,293.32 = 17,964.72 : x
2. Step 2: Convert to fraction form
   47,565.72/71,293.32 = 17,964.72/x
3. Step 3: Cross multiply
   47,565.72x = 71,293.32 × 17,964.72
4. Step 4: Simplify right side
   47,565.72x = 1,280,764,531.67
5. Step 5: Solve for x
   x = 1,280,764,531.67/47,565.72
6. Step 6: Final answer
   x = 26,926.21