Finding the Fourth Proportional to 10,404.05, 15,607.55 and 3,381.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.05 : 15,607.55 = 3,381.80 : x
2. Step 2: Convert to fraction form
   10,404.05/15,607.55 = 3,381.80/x
3. Step 3: Cross multiply
   10,404.05x = 15,607.55 × 3,381.80
4. Step 4: Simplify right side
   10,404.05x = 52,781,674.70
5. Step 5: Solve for x
   x = 52,781,674.70/10,404.05
6. Step 6: Final answer
   x = 5,073.19