Finding the Fourth Proportional to 5,903.45, 8,141.93 and 4,308.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,903.45 : 8,141.93 = 4,308.31 : x
2. Step 2: Convert to fraction form
   5,903.45/8,141.93 = 4,308.31/x
3. Step 3: Cross multiply
   5,903.45x = 8,141.93 × 4,308.31
4. Step 4: Simplify right side
   5,903.45x = 35,077,916.54
5. Step 5: Solve for x
   x = 35,077,916.54/5,903.45
6. Step 6: Final answer
   x = 5,941.93