Finding the Fourth Proportional to 5,419.35, 7,470.51 and 4,238.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,419.35 : 7,470.51 = 4,238.37 : x
2. Step 2: Convert to fraction form
   5,419.35/7,470.51 = 4,238.37/x
3. Step 3: Cross multiply
   5,419.35x = 7,470.51 × 4,238.37
4. Step 4: Simplify right side
   5,419.35x = 31,662,785.47
5. Step 5: Solve for x
   x = 31,662,785.47/5,419.35
6. Step 6: Final answer
   x = 5,842.54