Finding the Fourth Proportional to 16,710.72, 25,068.96 and 5,618.46

Step by Step Solution

1. Step 1: Write the proportion equation
   16,710.72 : 25,068.96 = 5,618.46 : x
2. Step 2: Convert to fraction form
   16,710.72/25,068.96 = 5,618.46/x
3. Step 3: Cross multiply
   16,710.72x = 25,068.96 × 5,618.46
4. Step 4: Simplify right side
   16,710.72x = 140,848,949.00
5. Step 5: Solve for x
   x = 140,848,949.00/16,710.72
6. Step 6: Final answer
   x = 8,428.66