Finding the Fourth Proportional to 10,225.98, 15,338.95 and 2,830.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,225.98 : 15,338.95 = 2,830.42 : x
2. Step 2: Convert to fraction form
   10,225.98/15,338.95 = 2,830.42/x
3. Step 3: Cross multiply
   10,225.98x = 15,338.95 × 2,830.42
4. Step 4: Simplify right side
   10,225.98x = 43,415,670.86
5. Step 5: Solve for x
   x = 43,415,670.86/10,225.98
6. Step 6: Final answer
   x = 4,245.62