Finding the Fourth Proportional to 10,323.78, 14,246.43 and 5,607.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,323.78 : 14,246.43 = 5,607.90 : x
2. Step 2: Convert to fraction form
   10,323.78/14,246.43 = 5,607.90/x
3. Step 3: Cross multiply
   10,323.78x = 14,246.43 × 5,607.90
4. Step 4: Simplify right side
   10,323.78x = 79,892,554.80
5. Step 5: Solve for x
   x = 79,892,554.80/10,323.78
6. Step 6: Final answer
   x = 7,738.69