Finding the Fourth Proportional to 10,346.42, 14,278.08 and 5,630.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,346.42 : 14,278.08 = 5,630.69 : x
2. Step 2: Convert to fraction form
   10,346.42/14,278.08 = 5,630.69/x
3. Step 3: Cross multiply
   10,346.42x = 14,278.08 × 5,630.69
4. Step 4: Simplify right side
   10,346.42x = 80,395,442.28
5. Step 5: Solve for x
   x = 80,395,442.28/10,346.42
6. Step 6: Final answer
   x = 7,770.36