Finding the Fourth Proportional to 9,050.31, 13,571.96 and 3,126.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,050.31 : 13,571.96 = 3,126.12 : x
2. Step 2: Convert to fraction form
   9,050.31/13,571.96 = 3,126.12/x
3. Step 3: Cross multiply
   9,050.31x = 13,571.96 × 3,126.12
4. Step 4: Simplify right side
   9,050.31x = 42,427,559.96
5. Step 5: Solve for x
   x = 42,427,559.96/9,050.31
6. Step 6: Final answer
   x = 4,687.97