Finding the Fourth Proportional to 3,336.42, 5,003.15 and 1,776.09

Step by Step Solution

1. Step 1: Write the proportion equation
   3,336.42 : 5,003.15 = 1,776.09 : x
2. Step 2: Convert to fraction form
   3,336.42/5,003.15 = 1,776.09/x
3. Step 3: Cross multiply
   3,336.42x = 5,003.15 × 1,776.09
4. Step 4: Simplify right side
   3,336.42x = 8,886,035.80
5. Step 5: Solve for x
   x = 8,886,035.80/3,336.42
6. Step 6: Final answer
   x = 2,663.34