Finding the Fourth Proportional to 10,404.99, 15,609.03 and 3,830.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.99 : 15,609.03 = 3,830.70 : x
2. Step 2: Convert to fraction form
   10,404.99/15,609.03 = 3,830.70/x
3. Step 3: Cross multiply
   10,404.99x = 15,609.03 × 3,830.70
4. Step 4: Simplify right side
   10,404.99x = 59,793,511.22
5. Step 5: Solve for x
   x = 59,793,511.22/10,404.99
6. Step 6: Final answer
   x = 5,746.62