Finding the Fourth Proportional to 9,012.96, 12,438.54 and 5,034.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,012.96 : 12,438.54 = 5,034.06 : x
2. Step 2: Convert to fraction form
   9,012.96/12,438.54 = 5,034.06/x
3. Step 3: Cross multiply
   9,012.96x = 12,438.54 × 5,034.06
4. Step 4: Simplify right side
   9,012.96x = 62,616,356.67
5. Step 5: Solve for x
   x = 62,616,356.67/9,012.96
6. Step 6: Final answer
   x = 6,947.37