Finding the Fourth Proportional to 10,345.78, 15,519.15 and 2,950.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,345.78 : 15,519.15 = 2,950.75 : x
2. Step 2: Convert to fraction form
   10,345.78/15,519.15 = 2,950.75/x
3. Step 3: Cross multiply
   10,345.78x = 15,519.15 × 2,950.75
4. Step 4: Simplify right side
   10,345.78x = 45,793,131.86
5. Step 5: Solve for x
   x = 45,793,131.86/10,345.78
6. Step 6: Final answer
   x = 4,426.26