Finding the Fourth Proportional to 5,407.31, 7,462.10 and 2,923.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,407.31 : 7,462.10 = 2,923.31 : x
2. Step 2: Convert to fraction form
   5,407.31/7,462.10 = 2,923.31/x
3. Step 3: Cross multiply
   5,407.31x = 7,462.10 × 2,923.31
4. Step 4: Simplify right side
   5,407.31x = 21,814,057.51
5. Step 5: Solve for x
   x = 21,814,057.51/5,407.31
6. Step 6: Final answer
   x = 4,034.18