Finding the Fourth Proportional to 9,012.81, 12,437.15 and 5,034.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,012.81 : 12,437.15 = 5,034.18 : x
2. Step 2: Convert to fraction form
   9,012.81/12,437.15 = 5,034.18/x
3. Step 3: Cross multiply
   9,012.81x = 12,437.15 × 5,034.18
4. Step 4: Simplify right side
   9,012.81x = 62,610,826.62
5. Step 5: Solve for x
   x = 62,610,826.62/9,012.81
6. Step 6: Final answer
   x = 6,946.87