Finding the Fourth Proportional to 16,945.61, 25,417.80 and 4,465.43

Step by Step Solution

1. Step 1: Write the proportion equation
   16,945.61 : 25,417.80 = 4,465.43 : x
2. Step 2: Convert to fraction form
   16,945.61/25,417.80 = 4,465.43/x
3. Step 3: Cross multiply
   16,945.61x = 25,417.80 × 4,465.43
4. Step 4: Simplify right side
   16,945.61x = 113,501,374.88
5. Step 5: Solve for x
   x = 113,501,374.88/16,945.61
6. Step 6: Final answer
   x = 6,697.98