Finding the Fourth Proportional to 17,856.34, 26,784.15 and 4,709.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,856.34 : 26,784.15 = 4,709.86 : x
2. Step 2: Convert to fraction form
   17,856.34/26,784.15 = 4,709.86/x
3. Step 3: Cross multiply
   17,856.34x = 26,784.15 × 4,709.86
4. Step 4: Simplify right side
   17,856.34x = 126,149,596.72
5. Step 5: Solve for x
   x = 126,149,596.72/17,856.34
6. Step 6: Final answer
   x = 7,064.70