Finding the Fourth Proportional to 7,470.77, 10,309.25 and 4,113.45

Step by Step Solution

1. Step 1: Write the proportion equation
   7,470.77 : 10,309.25 = 4,113.45 : x
2. Step 2: Convert to fraction form
   7,470.77/10,309.25 = 4,113.45/x
3. Step 3: Cross multiply
   7,470.77x = 10,309.25 × 4,113.45
4. Step 4: Simplify right side
   7,470.77x = 42,406,584.41
5. Step 5: Solve for x
   x = 42,406,584.41/7,470.77
6. Step 6: Final answer
   x = 5,676.33