Finding the Fourth Proportional to 4,707.12, 7,059.92 and 1,784.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,707.12 : 7,059.92 = 1,784.72 : x
2. Step 2: Convert to fraction form
   4,707.12/7,059.92 = 1,784.72/x
3. Step 3: Cross multiply
   4,707.12x = 7,059.92 × 1,784.72
4. Step 4: Simplify right side
   4,707.12x = 12,599,980.42
5. Step 5: Solve for x
   x = 12,599,980.42/4,707.12
6. Step 6: Final answer
   x = 2,676.79