Finding the Fourth Proportional to 10,346.58, 14,278.59 and 5,630.85

Step by Step Solution

1. Step 1: Write the proportion equation
   10,346.58 : 14,278.59 = 5,630.85 : x
2. Step 2: Convert to fraction form
   10,346.58/14,278.59 = 5,630.85/x
3. Step 3: Cross multiply
   10,346.58x = 14,278.59 × 5,630.85
4. Step 4: Simplify right side
   10,346.58x = 80,400,598.50
5. Step 5: Solve for x
   x = 80,400,598.50/10,346.58
6. Step 6: Final answer
   x = 7,770.74