Finding the Fourth Proportional to 5,412.84, 7,470.45 and 3,175.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,412.84 : 7,470.45 = 3,175.59 : x
2. Step 2: Convert to fraction form
   5,412.84/7,470.45 = 3,175.59/x
3. Step 3: Cross multiply
   5,412.84x = 7,470.45 × 3,175.59
4. Step 4: Simplify right side
   5,412.84x = 23,723,086.32
5. Step 5: Solve for x
   x = 23,723,086.32/5,412.84
6. Step 6: Final answer
   x = 4,382.74