Finding the Fourth Proportional to 7,435.31, 10,260.73 and 4,123.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,435.31 : 10,260.73 = 4,123.31 : x
2. Step 2: Convert to fraction form
   7,435.31/10,260.73 = 4,123.31/x
3. Step 3: Cross multiply
   7,435.31x = 10,260.73 × 4,123.31
4. Step 4: Simplify right side
   7,435.31x = 42,308,170.62
5. Step 5: Solve for x
   x = 42,308,170.62/7,435.31
6. Step 6: Final answer
   x = 5,690.17