Finding the Fourth Proportional to 5,605.79, 8,406.72 and 1,656

Step by Step Solution

1. Step 1: Write the proportion equation
   5,605.79 : 8,406.72 = 1,656 : x
2. Step 2: Convert to fraction form
   5,605.79/8,406.72 = 1,656/x
3. Step 3: Cross multiply
   5,605.79x = 8,406.72 × 1,656
4. Step 4: Simplify right side
   5,605.79x = 13,921,528.32
5. Step 5: Solve for x
   x = 13,921,528.32/5,605.79
6. Step 6: Final answer
   x = 2,483.42