Finding the Fourth Proportional to 10,375.86, 15,561.69 and 3,799.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,375.86 : 15,561.69 = 3,799.80 : x
2. Step 2: Convert to fraction form
   10,375.86/15,561.69 = 3,799.80/x
3. Step 3: Cross multiply
   10,375.86x = 15,561.69 × 3,799.80
4. Step 4: Simplify right side
   10,375.86x = 59,131,309.66
5. Step 5: Solve for x
   x = 59,131,309.66/10,375.86
6. Step 6: Final answer
   x = 5,698.93