Finding the Fourth Proportional to 5,308.02, 7,947.42 and 4,005.54

Step by Step Solution

1. Step 1: Write the proportion equation
   5,308.02 : 7,947.42 = 4,005.54 : x
2. Step 2: Convert to fraction form
   5,308.02/7,947.42 = 4,005.54/x
3. Step 3: Cross multiply
   5,308.02x = 7,947.42 × 4,005.54
4. Step 4: Simplify right side
   5,308.02x = 31,833,708.71
5. Step 5: Solve for x
   x = 31,833,708.71/5,308.02
6. Step 6: Final answer
   x = 5,997.28