Finding the Fourth Proportional to 10,404.90, 15,601.95 and 3,828.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,404.90 : 15,601.95 = 3,828.78 : x
2. Step 2: Convert to fraction form
   10,404.90/15,601.95 = 3,828.78/x
3. Step 3: Cross multiply
   10,404.90x = 15,601.95 × 3,828.78
4. Step 4: Simplify right side
   10,404.90x = 59,736,434.12
5. Step 5: Solve for x
   x = 59,736,434.12/10,404.90
6. Step 6: Final answer
   x = 5,741.18